52645279 has 2 divisors, whose sum is σ = 52645280. Its totient is φ = 52645278.

The previous prime is 52645259. The next prime is 52645283. The reversal of 52645279 is 97254625.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52645279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52645259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26322639 + 26322640.

It is an arithmetic number, because the mean of its divisors is an integer number (26322640).

Almost surely, 2^52645279 is an apocalyptic number.

52645279 is a deficient number, since it is larger than the sum of its proper divisors (1).

52645279 is an equidigital number, since it uses as much as digits as its factorization.

52645279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 40.

The square root of 52645279 is about 7255.7066506302. The cubic root of 52645279 is about 374.7886904326.

The spelling of 52645279 in words is "fifty-two million, six hundred forty-five thousand, two hundred seventy-nine".