354478913 has 2 divisors, whose sum is σ = 354478914. Its totient is φ = 354478912.

The previous prime is 354478847. The next prime is 354478933. The reversal of 354478913 is 319874453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 354079489 + 399424 = 18817^2 + 632^2 .

It is a cyclic number.

It is not a de Polignac number, because 354478913 - 2²⁴ = 337701697 is a prime.

It is not a weakly prime, because it can be changed into another prime (354478933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177239456 + 177239457.

It is an arithmetic number, because the mean of its divisors is an integer number (177239457).

Almost surely, 2^354478913 is an apocalyptic number.

It is an amenable number.

354478913 is a deficient number, since it is larger than the sum of its proper divisors (1).

354478913 is an equidigital number, since it uses as much as digits as its factorization.

354478913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 354478913 is about 18827.6103900628. The cubic root of 354478913 is about 707.7232585044.

The spelling of 354478913 in words is "three hundred fifty-four million, four hundred seventy-eight thousand, nine hundred thirteen".