25735630 has 16 divisors (see below), whose sum is σ = 46400544. Its totient is φ = 10277280.

The previous prime is 25735621. The next prime is 25735631. The reversal of 25735630 is 3653752.

It is a junction number, because it is equal to n+sod(n) for n = 25735592 and 25735601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25735631) 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, 5575 + ... + 9085.

It is an arithmetic number, because the mean of its divisors is an integer number (2900034).

Almost surely, 2^25735630 is an apocalyptic number.

25735630 is a deficient number, since it is larger than the sum of its proper divisors (20664914).

25735630 is a wasteful number, since it uses less digits than its factorization.

25735630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4251.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 25735630 is about 5073.0296667770. The cubic root of 25735630 is about 295.2420879785.

The spelling of 25735630 in words is "twenty-five million, seven hundred thirty-five thousand, six hundred thirty".