52197841 has 2 divisors, whose sum is σ = 52197842. Its totient is φ = 52197840.

The previous prime is 52197823. The next prime is 52197853. The reversal of 52197841 is 14879125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35058241 + 17139600 = 5921^2 + 4140^2 .

It is a cyclic number.

It is not a de Polignac number, because 52197841 - 2⁵ = 52197809 is a prime.

It is a super-2 number, since 2×52197841² = 5449229210122562, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52197841.

It is not a weakly prime, because it can be changed into another prime (52197641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26098920 + 26098921.

It is an arithmetic number, because the mean of its divisors is an integer number (26098921).

Almost surely, 2^52197841 is an apocalyptic number.

It is an amenable number.

52197841 is a deficient number, since it is larger than the sum of its proper divisors (1).

52197841 is an equidigital number, since it uses as much as digits as its factorization.

52197841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 37.

The square root of 52197841 is about 7224.8073330712. The cubic root of 52197841 is about 373.7238779967.

The spelling of 52197841 in words is "fifty-two million, one hundred ninety-seven thousand, eight hundred forty-one".