52354391 has 2 divisors, whose sum is σ = 52354392. Its totient is φ = 52354390.

The previous prime is 52354331. The next prime is 52354411. The reversal of 52354391 is 19345325.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52354391 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52354321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26177195 + 26177196.

It is an arithmetic number, because the mean of its divisors is an integer number (26177196).

Almost surely, 2^52354391 is an apocalyptic number.

52354391 is a deficient number, since it is larger than the sum of its proper divisors (1).

52354391 is an equidigital number, since it uses as much as digits as its factorization.

52354391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 32.

The square root of 52354391 is about 7235.6334207863. The cubic root of 52354391 is about 374.0971251083.

The spelling of 52354391 in words is "fifty-two million, three hundred fifty-four thousand, three hundred ninety-one".