258196951 has 2 divisors, whose sum is σ = 258196952. Its totient is φ = 258196950.

The previous prime is 258196949. The next prime is 258196999. The reversal of 258196951 is 159691852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 258196951 - 2¹ = 258196949 is a prime.

Together with 258196949, 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 (258196451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129098475 + 129098476.

It is an arithmetic number, because the mean of its divisors is an integer number (129098476).

Almost surely, 2^258196951 is an apocalyptic number.

258196951 is a deficient number, since it is larger than the sum of its proper divisors (1).

258196951 is an equidigital number, since it uses as much as digits as its factorization.

258196951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 46.

The square root of 258196951 is about 16068.5080514651. The cubic root of 258196951 is about 636.7716256820.

The spelling of 258196951 in words is "two hundred fifty-eight million, one hundred ninety-six thousand, nine hundred fifty-one".