355162561 has 16 divisors (see below), whose sum is σ = 391043520. Its totient is φ = 320587200.

The previous prime is 355162547. The next prime is 355162579. The reversal of 355162561 is 165261553.

It is a cyclic number.

It is not a de Polignac number, because 355162561 - 2⁵ = 355162529 is a prime.

It is a super-2 number, since 2×355162561² = 252280889472157442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355162531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107350 + ... + 110608.

It is an arithmetic number, because the mean of its divisors is an integer number (24440220).

Almost surely, 2^355162561 is an apocalyptic number.

It is an amenable number.

355162561 is a deficient number, since it is larger than the sum of its proper divisors (35880959).

355162561 is a wasteful number, since it uses less digits than its factorization.

355162561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3456.

The product of its digits is 27000, while the sum is 34.

The square root of 355162561 is about 18845.7571086969. The cubic root of 355162561 is about 708.1779380023.

The spelling of 355162561 in words is "three hundred fifty-five million, one hundred sixty-two thousand, five hundred sixty-one".