15630361 has 8 divisors (see below), whose sum is σ = 16623360. Its totient is φ = 14645568.

The previous prime is 15630359. The next prime is 15630379. The reversal of 15630361 is 16303651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15630361 - 2¹ = 15630359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15630301) 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, 2140 + ... + 5986.

It is an arithmetic number, because the mean of its divisors is an integer number (2077920).

Almost surely, 2^15630361 is an apocalyptic number.

It is an amenable number.

15630361 is a deficient number, since it is larger than the sum of its proper divisors (992999).

15630361 is a wasteful number, since it uses less digits than its factorization.

15630361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4103.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 15630361 is about 3953.5251358756. The cubic root of 15630361 is about 250.0285887306.

The spelling of 15630361 in words is "fifteen million, six hundred thirty thousand, three hundred sixty-one".