861325402 has 16 divisors (see below), whose sum is σ = 1477906560. Its totient is φ = 368802288.

The previous prime is 861325351. The next prime is 861325403. The reversal of 861325402 is 204523168.

861325402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (861325403) 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, 11902 + ... + 43177.

It is an arithmetic number, because the mean of its divisors is an integer number (92369160).

Almost surely, 2^861325402 is an apocalyptic number.

861325402 is a deficient number, since it is larger than the sum of its proper divisors (616581158).

861325402 is a wasteful number, since it uses less digits than its factorization.

861325402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56205.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 861325402 is about 29348.3458136911. The cubic root of 861325402 is about 951.4568237312.

The spelling of 861325402 in words is "eight hundred sixty-one million, three hundred twenty-five thousand, four hundred two".