52662971 has 2 divisors, whose sum is σ = 52662972. Its totient is φ = 52662970.

The previous prime is 52662943. The next prime is 52663019. The reversal of 52662971 is 17926625.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52662971 - 2¹⁸ = 52400827 is a prime.

It is not a weakly prime, because it can be changed into another prime (52662931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26331485 + 26331486.

It is an arithmetic number, because the mean of its divisors is an integer number (26331486).

Almost surely, 2^52662971 is an apocalyptic number.

52662971 is a deficient number, since it is larger than the sum of its proper divisors (1).

52662971 is an equidigital number, since it uses as much as digits as its factorization.

52662971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 52662971 is about 7256.9257265043. The cubic root of 52662971 is about 374.8306696248.

The spelling of 52662971 in words is "fifty-two million, six hundred sixty-two thousand, nine hundred seventy-one".