402725013 has 16 divisors (see below), whose sum is σ = 546787776. Its totient is φ = 263606400.

The previous prime is 402724997. The next prime is 402725027. The reversal of 402725013 is 310527204.

It is not a de Polignac number, because 402725013 - 2⁴ = 402724997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402725033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45663 + ... + 53763.

It is an arithmetic number, because the mean of its divisors is an integer number (34174236).

Almost surely, 2^402725013 is an apocalyptic number.

It is an amenable number.

402725013 is a deficient number, since it is larger than the sum of its proper divisors (144062763).

402725013 is a wasteful number, since it uses less digits than its factorization.

402725013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8404.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 402725013 is about 20068.0096920447. The cubic root of 402725013 is about 738.4756868174.

The spelling of 402725013 in words is "four hundred two million, seven hundred twenty-five thousand, thirteen".