71572000531 has 2 divisors, whose sum is σ = 71572000532. Its totient is φ = 71572000530.

The previous prime is 71572000501. The next prime is 71572000537. The reversal of 71572000531 is 13500027517.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71572000531 - 2⁷ = 71572000403 is a prime.

It is a super-2 number, since 2×71572000531² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71572000493 and 71572000502.

It is not a weakly prime, because it can be changed into another prime (71572000537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35786000265 + 35786000266.

It is an arithmetic number, because the mean of its divisors is an integer number (35786000266).

Almost surely, 2^71572000531 is an apocalyptic number.

71572000531 is a deficient number, since it is larger than the sum of its proper divisors (1).

71572000531 is an equidigital number, since it uses as much as digits as its factorization.

71572000531 is an evil number, because the sum of its binary digits is even.

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

The spelling of 71572000531 in words is "seventy-one billion, five hundred seventy-two million, five hundred thirty-one", and thus it is an aban number.