52493279 has 2 divisors, whose sum is σ = 52493280. Its totient is φ = 52493278.

The previous prime is 52493251. The next prime is 52493299. The reversal of 52493279 is 97239425.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52493279 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52493299) 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, 26246639 + 26246640.

It is an arithmetic number, because the mean of its divisors is an integer number (26246640).

Almost surely, 2^52493279 is an apocalyptic number.

52493279 is a deficient number, since it is larger than the sum of its proper divisors (1).

52493279 is an equidigital number, since it uses as much as digits as its factorization.

52493279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 41.

The square root of 52493279 is about 7245.2245651877. The cubic root of 52493279 is about 374.4276400405.

The spelling of 52493279 in words is "fifty-two million, four hundred ninety-three thousand, two hundred seventy-nine".