258035042 has 4 divisors (see below), whose sum is σ = 387052566. Its totient is φ = 129017520.

The previous prime is 258035039. The next prime is 258035051. The reversal of 258035042 is 240530852.

258035042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 183575401 + 74459641 = 13549^2 + 8629^2 .

It is a junction number, because it is equal to n+sod(n) for n = 258034996 and 258035014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64508759 + ... + 64508762.

Almost surely, 2^258035042 is an apocalyptic number.

258035042 is a deficient number, since it is larger than the sum of its proper divisors (129017524).

258035042 is a wasteful number, since it uses less digits than its factorization.

258035042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129017523.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 258035042 is about 16063.4691769866. The cubic root of 258035042 is about 636.6384965409.

Adding to 258035042 its reverse (240530852), we get a palindrome (498565894).

The spelling of 258035042 in words is "two hundred fifty-eight million, thirty-five thousand, forty-two".