26380525 has 12 divisors (see below), whose sum is σ = 32800852. Its totient is φ = 21047040.

The previous prime is 26380511. The next prime is 26380573. The reversal of 26380525 is 52508362.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 227529 + 26152996 = 477^2 + 5114^2 .

It is a de Polignac number, because none of the positive numbers 2^k-26380525 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9607 + ... + 12043.

Almost surely, 2^26380525 is an apocalyptic number.

26380525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26380525 is a deficient number, since it is larger than the sum of its proper divisors (6420327).

26380525 is a wasteful number, since it uses less digits than its factorization.

26380525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880 (or 2875 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 26380525 is about 5136.1975234603. The cubic root of 26380525 is about 297.6878741748.

Adding to 26380525 its reverse (52508362), we get a palindrome (78888887).

The spelling of 26380525 in words is "twenty-six million, three hundred eighty thousand, five hundred twenty-five".