354897131 has 4 divisors (see below), whose sum is σ = 354936264. Its totient is φ = 354858000.

The previous prime is 354897091. The next prime is 354897149. The reversal of 354897131 is 131798453.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 131798453 = 31 ⋅4251563.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354897131 is a prime.

It is a super-2 number, since 2×354897131² = 251903947184062322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354897161) 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, 1856 + ... + 26706.

It is an arithmetic number, because the mean of its divisors is an integer number (88734066).

Almost surely, 2^354897131 is an apocalyptic number.

354897131 is a deficient number, since it is larger than the sum of its proper divisors (39133).

354897131 is a wasteful number, since it uses less digits than its factorization.

354897131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39132.

The product of its digits is 90720, while the sum is 41.

The square root of 354897131 is about 18838.7136238120. The cubic root of 354897131 is about 708.0014755999.

The spelling of 354897131 in words is "three hundred fifty-four million, eight hundred ninety-seven thousand, one hundred thirty-one".