26040625 has 24 divisors (see below), whose sum is σ = 35107128. Its totient is φ = 19200000.

The previous prime is 26040613. The next prime is 26040629. The reversal of 26040625 is 52604062.

It can be written as a sum of positive squares in 12 ways, for example, as 25887744 + 152881 = 5088^2 + 391^2 .

It is a de Polignac number, because none of the positive numbers 2^k-26040625 is a prime.

It is a super-2 number, since 2×26040625² = 1356228300781250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26040625.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26040629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40305 + ... + 40945.

It is an arithmetic number, because the mean of its divisors is an integer number (1462797).

Almost surely, 2^26040625 is an apocalyptic number.

26040625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26040625 is a deficient number, since it is larger than the sum of its proper divisors (9066503).

26040625 is an frugal number, since it uses more digits than its factorization.

26040625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 26040625 is about 5103.0015677050. The cubic root of 26040625 is about 296.4038232178.

Adding to 26040625 its reverse (52604062), we get a palindrome (78644687).

It can be divided in two parts, 260 and 40625, that multiplied together give a square (10562500 = 3250²).

The spelling of 26040625 in words is "twenty-six million, forty thousand, six hundred twenty-five".