342613157 has 2 divisors, whose sum is σ = 342613158. Its totient is φ = 342613156.

The previous prime is 342613153. The next prime is 342613169. The reversal of 342613157 is 751316243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330003556 + 12609601 = 18166^2 + 3551^2 .

It is a cyclic number.

It is not a de Polignac number, because 342613157 - 2² = 342613153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342613153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171306578 + 171306579.

It is an arithmetic number, because the mean of its divisors is an integer number (171306579).

Almost surely, 2^342613157 is an apocalyptic number.

It is an amenable number.

342613157 is a deficient number, since it is larger than the sum of its proper divisors (1).

342613157 is an equidigital number, since it uses as much as digits as its factorization.

342613157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 32.

The square root of 342613157 is about 18509.8124517781. The cubic root of 342613157 is about 699.7367425026.

The spelling of 342613157 in words is "three hundred forty-two million, six hundred thirteen thousand, one hundred fifty-seven".