364162561 has 6 divisors (see below), whose sum is σ = 423617730. Its totient is φ = 312139296.

The previous prime is 364162553. The next prime is 364162609. The reversal of 364162561 is 165261463.

It can be written as a sum of positive squares in only one way, i.e., 362521600 + 1640961 = 19040^2 + 1281^2 .

It is not a de Polignac number, because 364162561 - 2³ = 364162553 is a prime.

It is a super-2 number, since 2×364162561² = 265228741668157442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (364162261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3715896 + ... + 3715993.

It is an arithmetic number, because the mean of its divisors is an integer number (70602955).

Almost surely, 2^364162561 is an apocalyptic number.

It is an amenable number.

364162561 is a deficient number, since it is larger than the sum of its proper divisors (59455169).

364162561 is an equidigital number, since it uses as much as digits as its factorization.

364162561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7431903 (or 7431896 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 364162561 is about 19083.0438085752. The cubic root of 364162561 is about 714.1099728083.

The spelling of 364162561 in words is "three hundred sixty-four million, one hundred sixty-two thousand, five hundred sixty-one".