715546081 has 2 divisors, whose sum is σ = 715546082. Its totient is φ = 715546080.

The previous prime is 715546079. The next prime is 715546093. The reversal of 715546081 is 180645517.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 530150625 + 185395456 = 23025^2 + 13616^2 .

It is a cyclic number.

It is not a de Polignac number, because 715546081 - 2¹ = 715546079 is a prime.

It is a super-2 number, since 2×715546081² = 1024012388068917122, which contains 22 as substring.

Together with 715546079, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 715546081.

It is not a weakly prime, because it can be changed into another prime (715546781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357773040 + 357773041.

It is an arithmetic number, because the mean of its divisors is an integer number (357773041).

Almost surely, 2^715546081 is an apocalyptic number.

It is an amenable number.

715546081 is a deficient number, since it is larger than the sum of its proper divisors (1).

715546081 is an equidigital number, since it uses as much as digits as its factorization.

715546081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 715546081 is about 26749.6931010432. The cubic root of 715546081 is about 894.4289944130.

The spelling of 715546081 in words is "seven hundred fifteen million, five hundred forty-six thousand, eighty-one".