354987613 has 2 divisors, whose sum is σ = 354987614. Its totient is φ = 354987612.

The previous prime is 354987571. The next prime is 354987617. The reversal of 354987613 is 316789453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 354117124 + 870489 = 18818^2 + 933^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354987613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354987617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177493806 + 177493807.

It is an arithmetic number, because the mean of its divisors is an integer number (177493807).

Almost surely, 2^354987613 is an apocalyptic number.

It is an amenable number.

354987613 is a deficient number, since it is larger than the sum of its proper divisors (1).

354987613 is an equidigital number, since it uses as much as digits as its factorization.

354987613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The square root of 354987613 is about 18841.1149617001. The cubic root of 354987613 is about 708.0616394620.

The spelling of 354987613 in words is "three hundred fifty-four million, nine hundred eighty-seven thousand, six hundred thirteen".