258333401 has 4 divisors (see below), whose sum is σ = 269565312. Its totient is φ = 247101492.

The previous prime is 258333359. The next prime is 258333403. The reversal of 258333401 is 104333852.

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 a de Polignac number, because none of the positive numbers 2^k-258333401 is a prime.

It is a super-2 number, since 2×258333401² = 133472292144453602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258333403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5615921 + ... + 5615966.

It is an arithmetic number, because the mean of its divisors is an integer number (67391328).

Almost surely, 2^258333401 is an apocalyptic number.

It is an amenable number.

258333401 is a deficient number, since it is larger than the sum of its proper divisors (11231911).

258333401 is a wasteful number, since it uses less digits than its factorization.

258333401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11231910.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 258333401 is about 16072.7533733334. The cubic root of 258333401 is about 636.8837780352.

The spelling of 258333401 in words is "two hundred fifty-eight million, three hundred thirty-three thousand, four hundred one".