25497652 has 12 divisors (see below), whose sum is σ = 45063396. Its totient is φ = 12622400.

The previous prime is 25497643. The next prime is 25497653. The reversal of 25497652 is 25679452.

It can be written as a sum of positive squares in 2 ways, for example, as 14167696 + 11329956 = 3764^2 + 3366^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25497653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31153 + ... + 31960.

It is an arithmetic number, because the mean of its divisors is an integer number (3755283).

Almost surely, 2^25497652 is an apocalyptic number.

It is an amenable number.

25497652 is a deficient number, since it is larger than the sum of its proper divisors (19565744).

25497652 is a wasteful number, since it uses less digits than its factorization.

25497652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63218 (or 63216 counting only the distinct ones).

The product of its digits is 151200, while the sum is 40.

The square root of 25497652 is about 5049.5199771860. The cubic root of 25497652 is about 294.3292314983.

It can be divided in two parts, 2549 and 7652, that added together give a palindrome (10201).

The spelling of 25497652 in words is "twenty-five million, four hundred ninety-seven thousand, six hundred fifty-two".