354976561 has 4 divisors (see below), whose sum is σ = 355046400. Its totient is φ = 354906724.

The previous prime is 354976553. The next prime is 354976597. The reversal of 354976561 is 165679453.

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, and also an emirpimes, since its reverse is a distinct semiprime: 165679453 = 1087 ⋅152419.

It is a cyclic number.

It is not a de Polignac number, because 354976561 - 2³ = 354976553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354976361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26641 + ... + 37678.

It is an arithmetic number, because the mean of its divisors is an integer number (88761600).

Almost surely, 2^354976561 is an apocalyptic number.

It is an amenable number.

354976561 is a deficient number, since it is larger than the sum of its proper divisors (69839).

354976561 is an equidigital number, since it uses as much as digits as its factorization.

354976561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69838.

The product of its digits is 680400, while the sum is 46.

The square root of 354976561 is about 18840.8216646727. The cubic root of 354976561 is about 708.0542912446.

The spelling of 354976561 in words is "three hundred fifty-four million, nine hundred seventy-six thousand, five hundred sixty-one".