364664261 has 4 divisors (see below), whose sum is σ = 392715372. Its totient is φ = 336613152.

The previous prime is 364664257. The next prime is 364664281. The reversal of 364664261 is 162466463.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 248692900 + 115971361 = 15770^2 + 10769^2 .

It is a cyclic number.

It is not a de Polignac number, because 364664261 - 2² = 364664257 is a prime.

It is a super-2 number, since 2×364664261² = 265960046501352242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (364664281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14025536 + ... + 14025561.

It is an arithmetic number, because the mean of its divisors is an integer number (98178843).

Almost surely, 2^364664261 is an apocalyptic number.

It is an amenable number.

364664261 is a deficient number, since it is larger than the sum of its proper divisors (28051111).

364664261 is a wasteful number, since it uses less digits than its factorization.

364664261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28051110.

The product of its digits is 124416, while the sum is 38.

The square root of 364664261 is about 19096.1844618238. The cubic root of 364664261 is about 714.4377610094.

The spelling of 364664261 in words is "three hundred sixty-four million, six hundred sixty-four thousand, two hundred sixty-one".