712550081 has 2 divisors, whose sum is σ = 712550082. Its totient is φ = 712550080.

The previous prime is 712550077. The next prime is 712550131. The reversal of 712550081 is 180055217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 677040400 + 35509681 = 26020^2 + 5959^2 .

It is a cyclic number.

It is not a de Polignac number, because 712550081 - 2² = 712550077 is a prime.

It is a super-2 number, since 2×712550081² = 1015455235866213122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (712550011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356275040 + 356275041.

It is an arithmetic number, because the mean of its divisors is an integer number (356275041).

Almost surely, 2^712550081 is an apocalyptic number.

It is an amenable number.

712550081 is a deficient number, since it is larger than the sum of its proper divisors (1).

712550081 is an equidigital number, since it uses as much as digits as its factorization.

712550081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 712550081 is about 26693.6337166748. The cubic root of 712550081 is about 893.1789197944.

The spelling of 712550081 in words is "seven hundred twelve million, five hundred fifty thousand, eighty-one".