334772561 has 4 divisors (see below), whose sum is σ = 335031972. Its totient is φ = 334513152.

The previous prime is 334772531. The next prime is 334772579. The reversal of 334772561 is 165277433.

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 334194961 + 577600 = 18281^2 + 760^2 .

It is a cyclic number.

It is not a de Polignac number, because 334772561 - 2²² = 330578257 is a prime.

It is a super-2 number, since 2×334772561² = 224145335196997442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (334772531) 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, 127760 + ... + 130353.

It is an arithmetic number, because the mean of its divisors is an integer number (83757993).

Almost surely, 2^334772561 is an apocalyptic number.

It is an amenable number.

334772561 is a deficient number, since it is larger than the sum of its proper divisors (259411).

334772561 is a wasteful number, since it uses less digits than its factorization.

334772561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259410.

The product of its digits is 105840, while the sum is 38.

The square root of 334772561 is about 18296.7910027961. The cubic root of 334772561 is about 694.3577463028.

The spelling of 334772561 in words is "three hundred thirty-four million, seven hundred seventy-two thousand, five hundred sixty-one".