25225630 has 16 divisors (see below), whose sum is σ = 46871424. Its totient is φ = 9764640.

The previous prime is 25225583. The next prime is 25225633. The reversal of 25225630 is 3652252.

It is a junction number, because it is equal to n+sod(n) for n = 25225595 and 25225604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25225633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40377 + ... + 40996.

It is an arithmetic number, because the mean of its divisors is an integer number (2929464).

Almost surely, 2^25225630 is an apocalyptic number.

25225630 is a deficient number, since it is larger than the sum of its proper divisors (21645794).

25225630 is a wasteful number, since it uses less digits than its factorization.

25225630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81411.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 25225630 is about 5022.5123195469. The cubic root of 25225630 is about 293.2788021336.

Adding to 25225630 its reverse (3652252), we get a palindrome (28877882).

The spelling of 25225630 in words is "twenty-five million, two hundred twenty-five thousand, six hundred thirty".