354512857 has 2 divisors, whose sum is σ = 354512858. Its totient is φ = 354512856.

The previous prime is 354512819. The next prime is 354512863. The reversal of 354512857 is 758215453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188128656 + 166384201 = 13716^2 + 12899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354512857 is a prime.

It is not a weakly prime, because it can be changed into another prime (354512867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177256428 + 177256429.

It is an arithmetic number, because the mean of its divisors is an integer number (177256429).

Almost surely, 2^354512857 is an apocalyptic number.

It is an amenable number.

354512857 is a deficient number, since it is larger than the sum of its proper divisors (1).

354512857 is an equidigital number, since it uses as much as digits as its factorization.

354512857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168000, while the sum is 40.

The square root of 354512857 is about 18828.5118105494. The cubic root of 354512857 is about 707.7458477104.

The spelling of 354512857 in words is "three hundred fifty-four million, five hundred twelve thousand, eight hundred fifty-seven".