25623130 has 16 divisors (see below), whose sum is σ = 49669704. Its totient is φ = 9460800.

The previous prime is 25623109. The next prime is 25623149. The reversal of 25623130 is 3132652.

It can be written as a sum of positive squares in 4 ways, for example, as 18584721 + 7038409 = 4311^2 + 2653^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98421 + ... + 98680.

Almost surely, 2^25623130 is an apocalyptic number.

25623130 is a deficient number, since it is larger than the sum of its proper divisors (24046574).

25623130 is a wasteful number, since it uses less digits than its factorization.

25623130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197121.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 25623130 is about 5061.9294740247. The cubic root of 25623130 is about 294.8112553059.

Adding to 25623130 its reverse (3132652), we get a palindrome (28755782).

The spelling of 25623130 in words is "twenty-five million, six hundred twenty-three thousand, one hundred thirty".