25252624 has 10 divisors (see below), whose sum is σ = 48926990. Its totient is φ = 12626304.

The previous prime is 25252609. The next prime is 25252639. The reversal of 25252624 is 42625252.

It is an interprime number because it is at equal distance from previous prime (25252609) and next prime (25252639).

It can be written as a sum of positive squares in only one way, i.e., 23348224 + 1904400 = 4832^2 + 1380^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25252592 and 25252601.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 789129 + ... + 789160.

It is an arithmetic number, because the mean of its divisors is an integer number (4892699).

Almost surely, 2^25252624 is an apocalyptic number.

It is an amenable number.

25252624 is a deficient number, since it is larger than the sum of its proper divisors (23674366).

25252624 is a wasteful number, since it uses less digits than its factorization.

25252624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578297 (or 1578291 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 25252624 is about 5025.1989015361. The cubic root of 25252624 is about 293.3833775958.

Adding to 25252624 its reverse (42625252), we get a palindrome (67877876).

The spelling of 25252624 in words is "twenty-five million, two hundred fifty-two thousand, six hundred twenty-four".