52030197 has 6 divisors (see below), whose sum is σ = 75154742. Its totient is φ = 34686792.

The previous prime is 52030193. The next prime is 52030207. The reversal of 52030197 is 79103025.

It can be written as a sum of positive squares in only one way, i.e., 51969681 + 60516 = 7209^2 + 246^2 .

It is not a de Polignac number, because 52030197 - 2² = 52030193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52030197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52030193) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2890558 + ... + 2890575.

Almost surely, 2^52030197 is an apocalyptic number.

It is an amenable number.

52030197 is a deficient number, since it is larger than the sum of its proper divisors (23124545).

52030197 is a wasteful number, since it uses less digits than its factorization.

52030197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5781139 (or 5781136 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 52030197 is about 7213.1960322731. The cubic root of 52030197 is about 373.3233521106.

The spelling of 52030197 in words is "fifty-two million, thirty thousand, one hundred ninety-seven".