335312561 has 4 divisors (see below), whose sum is σ = 349891392. Its totient is φ = 320733732.

The previous prime is 335312557. The next prime is 335312567. The reversal of 335312561 is 165213533.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 335312561 - 2² = 335312557 is a prime.

It is a super-2 number, since 2×335312561² = 224869027128757442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (335312567) 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, 7289381 + ... + 7289426.

It is an arithmetic number, because the mean of its divisors is an integer number (87472848).

Almost surely, 2^335312561 is an apocalyptic number.

It is an amenable number.

335312561 is a deficient number, since it is larger than the sum of its proper divisors (14578831).

335312561 is a wasteful number, since it uses less digits than its factorization.

335312561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14578830.

The product of its digits is 8100, while the sum is 29.

The square root of 335312561 is about 18311.5417428462. The cubic root of 335312561 is about 694.7308869589.

The spelling of 335312561 in words is "three hundred thirty-five million, three hundred twelve thousand, five hundred sixty-one".