71572000501 has 2 divisors, whose sum is σ = 71572000502. Its totient is φ = 71572000500.

The previous prime is 71572000481. The next prime is 71572000531. The reversal of 71572000501 is 10500027517.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66498999876 + 5073000625 = 257874^2 + 71225^2 .

It is a cyclic number.

It is not a de Polignac number, because 71572000501 - 2⁵ = 71572000469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71572000501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71572000531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35786000250 + 35786000251.

It is an arithmetic number, because the mean of its divisors is an integer number (35786000251).

Almost surely, 2^71572000501 is an apocalyptic number.

71572000501 is the 143001-st centered heptagonal number.

It is an amenable number.

71572000501 is a deficient number, since it is larger than the sum of its proper divisors (1).

71572000501 is an equidigital number, since it uses as much as digits as its factorization.

71572000501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2450, while the sum is 28.

The spelling of 71572000501 in words is "seventy-one billion, five hundred seventy-two million, five hundred one", and thus it is an aban number.