258102997 has 2 divisors, whose sum is σ = 258102998. Its totient is φ = 258102996.

The previous prime is 258102979. The next prime is 258103067. The reversal of 258102997 is 799201852.

Together with previous prime (258102979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233906436 + 24196561 = 15294^2 + 4919^2 .

It is a cyclic number.

It is not a de Polignac number, because 258102997 - 2¹⁹ = 257578709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258102797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129051498 + 129051499.

It is an arithmetic number, because the mean of its divisors is an integer number (129051499).

Almost surely, 2^258102997 is an apocalyptic number.

It is an amenable number.

258102997 is a deficient number, since it is larger than the sum of its proper divisors (1).

258102997 is an equidigital number, since it uses as much as digits as its factorization.

258102997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 258102997 is about 16065.5842408547. The cubic root of 258102997 is about 636.6943790952.

The spelling of 258102997 in words is "two hundred fifty-eight million, one hundred two thousand, nine hundred ninety-seven".