521875034 has 16 divisors (see below), whose sum is σ = 787276800. Its totient is φ = 259454400.

The previous prime is 521875021. The next prime is 521875051. The reversal of 521875034 is 430578125.

It is a happy number.

It is a super-2 number, since 2×521875034² = 544707102225002312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 521874985 and 521875003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306317 + ... + 308015.

It is an arithmetic number, because the mean of its divisors is an integer number (49204800).

Almost surely, 2^521875034 is an apocalyptic number.

521875034 is a deficient number, since it is larger than the sum of its proper divisors (265401766).

521875034 is a wasteful number, since it uses less digits than its factorization.

521875034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 521875034 is about 22844.5843472802. The cubic root of 521875034 is about 805.1105304552.

The spelling of 521875034 in words is "five hundred twenty-one million, eight hundred seventy-five thousand, thirty-four".