25240532 has 6 divisors (see below), whose sum is σ = 44170938. Its totient is φ = 12620264.

The previous prime is 25240513. The next prime is 25240573. The reversal of 25240532 is 23504252.

It can be written as a sum of positive squares in only one way, i.e., 16679056 + 8561476 = 4084^2 + 2926^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25240498 and 25240507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3155063 + ... + 3155070.

It is an arithmetic number, because the mean of its divisors is an integer number (7361823).

Almost surely, 2^25240532 is an apocalyptic number.

It is an amenable number.

25240532 is a deficient number, since it is larger than the sum of its proper divisors (18930406).

25240532 is a wasteful number, since it uses less digits than its factorization.

25240532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6310137 (or 6310135 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 25240532 is about 5023.9956210172. The cubic root of 25240532 is about 293.3365420907.

Adding to 25240532 its reverse (23504252), we get a palindrome (48744784).

The spelling of 25240532 in words is "twenty-five million, two hundred forty thousand, five hundred thirty-two".