521254034 has 16 divisors (see below), whose sum is σ = 946142208. Its totient is φ = 210253632.

The previous prime is 521254009. The next prime is 521254049. The reversal of 521254034 is 430452125.

It is a happy number.

It is a super-2 number, since 2×521254034² = 543411535922546312, which contains 22 as substring.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 521253994 and 521254012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094834 + ... + 1095309.

It is an arithmetic number, because the mean of its divisors is an integer number (59133888).

Almost surely, 2^521254034 is an apocalyptic number.

521254034 is a deficient number, since it is larger than the sum of its proper divisors (424888174).

521254034 is a wasteful number, since it uses less digits than its factorization.

521254034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190169.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 521254034 is about 22830.9884586717. The cubic root of 521254034 is about 804.7910592849.

The spelling of 521254034 in words is "five hundred twenty-one million, two hundred fifty-four thousand, thirty-four".