52283947 has 2 divisors, whose sum is σ = 52283948. Its totient is φ = 52283946.

The previous prime is 52283929. The next prime is 52284007. The reversal of 52283947 is 74938225.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52283947 is a prime.

It is a super-2 number, since 2×52283947² = 5467222227797618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52283927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26141973 + 26141974.

It is an arithmetic number, because the mean of its divisors is an integer number (26141974).

Almost surely, 2^52283947 is an apocalyptic number.

52283947 is a deficient number, since it is larger than the sum of its proper divisors (1).

52283947 is an equidigital number, since it uses as much as digits as its factorization.

52283947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 52283947 is about 7230.7639292125. The cubic root of 52283947 is about 373.9292644590.

The spelling of 52283947 in words is "fifty-two million, two hundred eighty-three thousand, nine hundred forty-seven".