25255497 has 24 divisors (see below), whose sum is σ = 35678656. Its totient is φ = 15877728.

The previous prime is 25255469. The next prime is 25255501. The reversal of 25255497 is 79455252.

It is not a de Polignac number, because 25255497 - 2¹⁴ = 25239113 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (25255397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 245148 + ... + 245250.

Almost surely, 2^25255497 is an apocalyptic number.

It is an amenable number.

25255497 is a deficient number, since it is larger than the sum of its proper divisors (10423159).

25255497 is a wasteful number, since it uses less digits than its factorization.

25255497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 190 counting only the distinct ones).

The product of its digits is 126000, while the sum is 39.

The square root of 25255497 is about 5025.4847527378. The cubic root of 25255497 is about 293.3945032842.

It can be divided in two parts, 25255 and 497, that added together give a palindrome (25752).

The spelling of 25255497 in words is "twenty-five million, two hundred fifty-five thousand, four hundred ninety-seven".