258377 has 6 divisors (see below), whose sum is σ = 300618. Its totient is φ = 221424.

The previous prime is 258373. The next prime is 258389. The reversal of 258377 is 773852.

It can be written as a sum of positive squares in only one way, i.e., 219961 + 38416 = 469^2 + 196^2 .

It is not a de Polignac number, because 258377 - 2² = 258373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 258377.

It is not an unprimeable number, because it can be changed into a prime (258373) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2588 + ... + 2685.

It is an arithmetic number, because the mean of its divisors is an integer number (50103).

2²⁵⁸³⁷⁷ is an apocalyptic number.

It is an amenable number.

258377 is a deficient number, since it is larger than the sum of its proper divisors (42241).

258377 is an equidigital number, since it uses as much as digits as its factorization.

258377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5287 (or 5280 counting only the distinct ones).

The product of its digits is 11760, while the sum is 32.

The square root of 258377 is about 508.3079775097. The cubic root of 258377 is about 63.6919605037.

It can be divided in two parts, 2583 and 77, that multiplied together give a palindrome (198891).

The spelling of 258377 in words is "two hundred fifty-eight thousand, three hundred seventy-seven".