258172453 has 8 divisors (see below), whose sum is σ = 321877440. Its totient is φ = 201173280.

The previous prime is 258172417. The next prime is 258172459. The reversal of 258172453 is 354271852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-258172453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258172459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1676368 + ... + 1676521.

It is an arithmetic number, because the mean of its divisors is an integer number (40234680).

Almost surely, 2^258172453 is an apocalyptic number.

It is an amenable number.

258172453 is a deficient number, since it is larger than the sum of its proper divisors (63704987).

258172453 is a wasteful number, since it uses less digits than its factorization.

258172453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352907.

The product of its digits is 67200, while the sum is 37.

The square root of 258172453 is about 16067.7457348565. The cubic root of 258172453 is about 636.7514858564.

The spelling of 258172453 in words is "two hundred fifty-eight million, one hundred seventy-two thousand, four hundred fifty-three".