25347630 has 64 divisors (see below), whose sum is σ = 75852288. Its totient is φ = 5266560.

The previous prime is 25347613. The next prime is 25347631. The reversal of 25347630 is 3674352.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25347631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3177 + ... + 7796.

It is an arithmetic number, because the mean of its divisors is an integer number (1185192).

Almost surely, 2^25347630 is an apocalyptic number.

25347630 is an abundant number, since it is smaller than the sum of its proper divisors (50504658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25347630 is a wasteful number, since it uses less digits than its factorization.

25347630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11001.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 25347630 is about 5034.6429863497. The cubic root of 25347630 is about 293.7508417058.

The spelling of 25347630 in words is "twenty-five million, three hundred forty-seven thousand, six hundred thirty".