258793973 has 2 divisors, whose sum is σ = 258793974. Its totient is φ = 258793972.

The previous prime is 258793957. The next prime is 258793991. The reversal of 258793973 is 379397852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147428164 + 111365809 = 12142^2 + 10553^2 .

It is a cyclic number.

It is not a de Polignac number, because 258793973 - 2⁴ = 258793957 is a prime.

It is a super-2 number, since 2×258793973² = 133948640922249458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258793943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129396986 + 129396987.

It is an arithmetic number, because the mean of its divisors is an integer number (129396987).

Almost surely, 2^258793973 is an apocalyptic number.

It is an amenable number.

258793973 is a deficient number, since it is larger than the sum of its proper divisors (1).

258793973 is an equidigital number, since it uses as much as digits as its factorization.

258793973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2857680, while the sum is 53.

The square root of 258793973 is about 16087.0747185435. The cubic root of 258793973 is about 637.2620446269.

The spelling of 258793973 in words is "two hundred fifty-eight million, seven hundred ninety-three thousand, nine hundred seventy-three".