52245491 has 2 divisors, whose sum is σ = 52245492. Its totient is φ = 52245490.

The previous prime is 52245419. The next prime is 52245527. The reversal of 52245491 is 19454225.

Together with previous prime (52245419) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52245491 - 2²² = 48051187 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52245691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26122745 + 26122746.

It is an arithmetic number, because the mean of its divisors is an integer number (26122746).

Almost surely, 2^52245491 is an apocalyptic number.

52245491 is a deficient number, since it is larger than the sum of its proper divisors (1).

52245491 is an equidigital number, since it uses as much as digits as its factorization.

52245491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 32.

The square root of 52245491 is about 7228.1042466196. The cubic root of 52245491 is about 373.8375642233.

The spelling of 52245491 in words is "fifty-two million, two hundred forty-five thousand, four hundred ninety-one".