26625625 has 40 divisors (see below), whose sum is σ = 37394280. Its totient is φ = 18816000.

The previous prime is 26625623. The next prime is 26625637. The reversal of 26625625 is 52652662.

26625625 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 20 ways, for example, as 22581504 + 4044121 = 4752^2 + 2011^2 .

It is not a de Polignac number, because 26625625 - 2¹ = 26625623 is a prime.

Its product of digits (43200) is a multiple of the sum of its prime divisors (160).

It is not an unprimeable number, because it can be changed into a prime (26625623) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 235569 + ... + 235681.

It is an arithmetic number, because the mean of its divisors is an integer number (934857).

Almost surely, 2^26625625 is an apocalyptic number.

26625625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26625625 is a deficient number, since it is larger than the sum of its proper divisors (10768655).

26625625 is a wasteful number, since it uses less digits than its factorization.

26625625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 160 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 26625625 is about 5160.0024224801. The cubic root of 26625625 is about 298.6069674725.

It can be divided in two parts, 266256 and 25, that multiplied together give a square (6656400 = 2580²).

The spelling of 26625625 in words is "twenty-six million, six hundred twenty-five thousand, six hundred twenty-five".