52097971 has 2 divisors, whose sum is σ = 52097972. Its totient is φ = 52097970.

The previous prime is 52097963. The next prime is 52097977. The reversal of 52097971 is 17979025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52097971 - 2³ = 52097963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52097977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26048985 + 26048986.

It is an arithmetic number, because the mean of its divisors is an integer number (26048986).

Almost surely, 2^52097971 is an apocalyptic number.

52097971 is a deficient number, since it is larger than the sum of its proper divisors (1).

52097971 is an equidigital number, since it uses as much as digits as its factorization.

52097971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 40.

The square root of 52097971 is about 7217.8924209218. The cubic root of 52097971 is about 373.4853775009.

The spelling of 52097971 in words is "fifty-two million, ninety-seven thousand, nine hundred seventy-one".