342626257 has 2 divisors, whose sum is σ = 342626258. Its totient is φ = 342626256.

The previous prime is 342626201. The next prime is 342626269. The reversal of 342626257 is 752626243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265168656 + 77457601 = 16284^2 + 8801^2 .

It is a cyclic number.

It is not a de Polignac number, because 342626257 - 2¹¹ = 342624209 is a prime.

It is not a weakly prime, because it can be changed into another prime (342626657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171313128 + 171313129.

It is an arithmetic number, because the mean of its divisors is an integer number (171313129).

Almost surely, 2^342626257 is an apocalyptic number.

It is an amenable number.

342626257 is a deficient number, since it is larger than the sum of its proper divisors (1).

342626257 is an equidigital number, since it uses as much as digits as its factorization.

342626257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 37.

The square root of 342626257 is about 18510.1663147580. The cubic root of 342626257 is about 699.7456606603.

The spelling of 342626257 in words is "three hundred forty-two million, six hundred twenty-six thousand, two hundred fifty-seven".