361264564 has 6 divisors (see below), whose sum is σ = 632212994. Its totient is φ = 180632280.

The previous prime is 361264549. The next prime is 361264567. The reversal of 361264564 is 465462163.

It can be written as a sum of positive squares in only one way, i.e., 263412900 + 97851664 = 16230^2 + 9892^2 .

It is a super-2 number, since 2×361264564² = 261024170404220192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361264567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45158067 + ... + 45158074.

Almost surely, 2^361264564 is an apocalyptic number.

It is an amenable number.

361264564 is a deficient number, since it is larger than the sum of its proper divisors (270948430).

361264564 is a wasteful number, since it uses less digits than its factorization.

361264564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90316145 (or 90316143 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 361264564 is about 19006.9609354047. The cubic root of 361264564 is about 712.2106355088.

The spelling of 361264564 in words is "three hundred sixty-one million, two hundred sixty-four thousand, five hundred sixty-four".