52051081 has 2 divisors, whose sum is σ = 52051082. Its totient is φ = 52051080.

The previous prime is 52051033. The next prime is 52051121. The reversal of 52051081 is 18015025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46457856 + 5593225 = 6816^2 + 2365^2 .

It is a cyclic number.

It is not a de Polignac number, because 52051081 - 2¹³ = 52042889 is a prime.

It is a super-2 number, since 2×52051081² = 5418630066537122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52051381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26025540 + 26025541.

It is an arithmetic number, because the mean of its divisors is an integer number (26025541).

Almost surely, 2^52051081 is an apocalyptic number.

It is an amenable number.

52051081 is a deficient number, since it is larger than the sum of its proper divisors (1).

52051081 is an equidigital number, since it uses as much as digits as its factorization.

52051081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 52051081 is about 7214.6435116366. The cubic root of 52051081 is about 373.3732938908.

The spelling of 52051081 in words is "fifty-two million, fifty-one thousand, eighty-one".