25767525 has 24 divisors (see below), whose sum is σ = 48689344. Its totient is φ = 11779200.

The previous prime is 25767481. The next prime is 25767527. The reversal of 25767525 is 52576752.

It is not a de Polignac number, because 25767525 - 2¹⁰ = 25766501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25767527) 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, 24016 + ... + 25065.

Almost surely, 2^25767525 is an apocalyptic number.

25767525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25767525 is a deficient number, since it is larger than the sum of its proper divisors (22921819).

25767525 is a wasteful number, since it uses less digits than its factorization.

25767525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49101 (or 49096 counting only the distinct ones).

The product of its digits is 147000, while the sum is 39.

The square root of 25767525 is about 5076.1722784003. The cubic root of 25767525 is about 295.3640053218.

It can be divided in two parts, 2576 and 7525, that added together give a palindrome (10101).

The spelling of 25767525 in words is "twenty-five million, seven hundred sixty-seven thousand, five hundred twenty-five".