52148431 has 2 divisors, whose sum is σ = 52148432. Its totient is φ = 52148430.

The previous prime is 52148419. The next prime is 52148441. The reversal of 52148431 is 13484125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52148431 - 2⁵ = 52148399 is a prime.

It is a super-2 number, since 2×52148431² = 5438917711523522, 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 52148431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52148441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26074215 + 26074216.

It is an arithmetic number, because the mean of its divisors is an integer number (26074216).

Almost surely, 2^52148431 is an apocalyptic number.

52148431 is a deficient number, since it is larger than the sum of its proper divisors (1).

52148431 is an equidigital number, since it uses as much as digits as its factorization.

52148431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 28.

The square root of 52148431 is about 7221.3870551301. The cubic root of 52148431 is about 373.6059195652.

The spelling of 52148431 in words is "fifty-two million, one hundred forty-eight thousand, four hundred thirty-one".