258753442 has 8 divisors (see below), whose sum is σ = 388201500. Its totient is φ = 129352944.

The previous prime is 258753431. The next prime is 258753461. The reversal of 258753442 is 244357852.

258753442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 240529081 + 18224361 = 15509^2 + 4269^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 258753395 and 258753404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9184 + ... + 24532.

Almost surely, 2^258753442 is an apocalyptic number.

258753442 is a deficient number, since it is larger than the sum of its proper divisors (129448058).

258753442 is a wasteful number, since it uses less digits than its factorization.

258753442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23780.

The product of its digits is 268800, while the sum is 40.

The square root of 258753442 is about 16085.8149311746. The cubic root of 258753442 is about 637.2287746398.

The spelling of 258753442 in words is "two hundred fifty-eight million, seven hundred fifty-three thousand, four hundred forty-two".