52870319 has 4 divisors (see below), whose sum is σ = 52928160. Its totient is φ = 52812480.

The previous prime is 52870291. The next prime is 52870381. The reversal of 52870319 is 91307825.

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

It is a cyclic number.

It is not a de Polignac number, because 52870319 - 2¹² = 52866223 is a prime.

It is a super-2 number, since 2×52870319² = 5590541262323522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52870019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27527 + ... + 29384.

It is an arithmetic number, because the mean of its divisors is an integer number (13232040).

Almost surely, 2^52870319 is an apocalyptic number.

52870319 is a deficient number, since it is larger than the sum of its proper divisors (57841).

52870319 is an equidigital number, since it uses as much as digits as its factorization.

52870319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57840.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 52870319 is about 7271.1979068101. The cubic root of 52870319 is about 375.3219611266.

The spelling of 52870319 in words is "fifty-two million, eight hundred seventy thousand, three hundred nineteen".