258474377 has 4 divisors (see below), whose sum is σ = 295399296. Its totient is φ = 221549460.

The previous prime is 258474353. The next prime is 258474407. The reversal of 258474377 is 773474852.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 258474377 - 2⁶ = 258474313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258474317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18462449 + ... + 18462462.

It is an arithmetic number, because the mean of its divisors is an integer number (73849824).

Almost surely, 2^258474377 is an apocalyptic number.

It is an amenable number.

258474377 is a deficient number, since it is larger than the sum of its proper divisors (36924919).

258474377 is an equidigital number, since it uses as much as digits as its factorization.

258474377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36924918.

The product of its digits is 1317120, while the sum is 47.

The square root of 258474377 is about 16077.1383336712. The cubic root of 258474377 is about 636.9996089727. Note that the first 3 decimals are identical.

The spelling of 258474377 in words is "two hundred fifty-eight million, four hundred seventy-four thousand, three hundred seventy-seven".