52148731 has 2 divisors, whose sum is σ = 52148732. Its totient is φ = 52148730.

The previous prime is 52148687. The next prime is 52148777. The reversal of 52148731 is 13784125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52148731 - 2¹⁵ = 52115963 is a prime.

It is a super-2 number, since 2×52148731² = 5438980289820722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52148693 and 52148702.

It is not a weakly prime, because it can be changed into another prime (52148431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26074365 + 26074366.

It is an arithmetic number, because the mean of its divisors is an integer number (26074366).

Almost surely, 2^52148731 is an apocalyptic number.

52148731 is a deficient number, since it is larger than the sum of its proper divisors (1).

52148731 is an equidigital number, since it uses as much as digits as its factorization.

52148731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 52148731 is about 7221.4078267330. The cubic root of 52148731 is about 373.6066359917.

The spelling of 52148731 in words is "fifty-two million, one hundred forty-eight thousand, seven hundred thirty-one".