52571731 has 2 divisors, whose sum is σ = 52571732. Its totient is φ = 52571730.

The previous prime is 52571723. The next prime is 52571747. The reversal of 52571731 is 13717525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52571731 - 2³ = 52571723 is a prime.

It is a super-2 number, since 2×52571731² = 5527573800672722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52571693 and 52571702.

It is not a weakly prime, because it can be changed into another prime (52571711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26285865 + 26285866.

It is an arithmetic number, because the mean of its divisors is an integer number (26285866).

Almost surely, 2^52571731 is an apocalyptic number.

52571731 is a deficient number, since it is larger than the sum of its proper divisors (1).

52571731 is an equidigital number, since it uses as much as digits as its factorization.

52571731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7350, while the sum is 31.

The square root of 52571731 is about 7250.6365927414. The cubic root of 52571731 is about 374.6140764524.

The spelling of 52571731 in words is "fifty-two million, five hundred seventy-one thousand, seven hundred thirty-one".