52970061 has 4 divisors (see below), whose sum is σ = 70626752. Its totient is φ = 35313372.

The previous prime is 52970039. The next prime is 52970063. The reversal of 52970061 is 16007925.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52970061 - 2⁷ = 52969933 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52970063) 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, 8828341 + ... + 8828346.

It is an arithmetic number, because the mean of its divisors is an integer number (17656688).

Almost surely, 2^52970061 is an apocalyptic number.

It is an amenable number.

52970061 is a deficient number, since it is larger than the sum of its proper divisors (17656691).

52970061 is a wasteful number, since it uses less digits than its factorization.

52970061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17656690.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 52970061 is about 7278.0533798537. The cubic root of 52970061 is about 375.5578328929.

Adding to 52970061 its reverse (16007925), we get a palindrome (68977986).

The spelling of 52970061 in words is "fifty-two million, nine hundred seventy thousand, sixty-one".