291560959 has 2 divisors, whose sum is σ = 291560960. Its totient is φ = 291560958.

The previous prime is 291560957. The next prime is 291560977. The reversal of 291560959 is 959065192.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 291560959 - 2¹ = 291560957 is a prime.

Together with 291560957, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (291560953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145780479 + 145780480.

It is an arithmetic number, because the mean of its divisors is an integer number (145780480).

Almost surely, 2^291560959 is an apocalyptic number.

291560959 is a deficient number, since it is larger than the sum of its proper divisors (1).

291560959 is an equidigital number, since it uses as much as digits as its factorization.

291560959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 218700, while the sum is 46.

The square root of 291560959 is about 17075.1561925506. The cubic root of 291560959 is about 663.0960741394.

The spelling of 291560959 in words is "two hundred ninety-one million, five hundred sixty thousand, nine hundred fifty-nine".