252539073 has 8 divisors (see below), whose sum is σ = 374132000. Its totient is φ = 168359364.

The previous prime is 252539059. The next prime is 252539101. The reversal of 252539073 is 370935252.

252539073 is a `hidden beast` number, since 2 + 52 + 539 + 0 + 73 = 666.

It is not a de Polignac number, because 252539073 - 2⁵ = 252539041 is a prime.

It is a super-3 number, since 3×252539073³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252539003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4676623 + ... + 4676676.

It is an arithmetic number, because the mean of its divisors is an integer number (46766500).

Almost surely, 2^252539073 is an apocalyptic number.

It is an amenable number.

252539073 is a deficient number, since it is larger than the sum of its proper divisors (121592927).

252539073 is an equidigital number, since it uses as much as digits as its factorization.

252539073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9353308 (or 9353302 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The square root of 252539073 is about 15891.4779992297. The cubic root of 252539073 is about 632.0860330257.

The spelling of 252539073 in words is "two hundred fifty-two million, five hundred thirty-nine thousand, seventy-three".