241979657 has 2 divisors, whose sum is σ = 241979658. Its totient is φ = 241979656.

The previous prime is 241979603. The next prime is 241979671. The reversal of 241979657 is 756979142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241522681 + 456976 = 15541^2 + 676^2 .

It is a cyclic number.

It is not a de Polignac number, because 241979657 - 2¹² = 241975561 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (241979057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120989828 + 120989829.

It is an arithmetic number, because the mean of its divisors is an integer number (120989829).

Almost surely, 2^241979657 is an apocalyptic number.

It is an amenable number.

241979657 is a deficient number, since it is larger than the sum of its proper divisors (1).

241979657 is an equidigital number, since it uses as much as digits as its factorization.

241979657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 50.

The square root of 241979657 is about 15555.6953235784. The cubic root of 241979657 is about 623.1505063692.

The spelling of 241979657 in words is "two hundred forty-one million, nine hundred seventy-nine thousand, six hundred fifty-seven".