52870297 has 4 divisors (see below), whose sum is σ = 53076276. Its totient is φ = 52664320.

The previous prime is 52870291. The next prime is 52870381. The reversal of 52870297 is 79207825.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46936201 + 5934096 = 6851^2 + 2436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52870297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52870291) 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, 102604 + ... + 103117.

It is an arithmetic number, because the mean of its divisors is an integer number (13269069).

Almost surely, 2^52870297 is an apocalyptic number.

It is an amenable number.

52870297 is a deficient number, since it is larger than the sum of its proper divisors (205979).

52870297 is a wasteful number, since it uses less digits than its factorization.

52870297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205978.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 52870297 is about 7271.1963939918. The cubic root of 52870297 is about 375.3219090679.

The spelling of 52870297 in words is "fifty-two million, eight hundred seventy thousand, two hundred ninety-seven".