354501561 has 24 divisors (see below), whose sum is σ = 510415744. Its totient is φ = 218753280.

The previous prime is 354501557. The next prime is 354501583. The reversal of 354501561 is 165105453.

It is not a de Polignac number, because 354501561 - 2² = 354501557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (354501541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49536 + ... + 56238.

Almost surely, 2^354501561 is an apocalyptic number.

It is an amenable number.

354501561 is a deficient number, since it is larger than the sum of its proper divisors (155914183).

354501561 is a wasteful number, since it uses less digits than its factorization.

354501561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6801 (or 6784 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 354501561 is about 18828.2118375591. The cubic root of 354501561 is about 707.7383305575.

The spelling of 354501561 in words is "three hundred fifty-four million, five hundred one thousand, five hundred sixty-one".