7312861001 has 2 divisors, whose sum is σ = 7312861002. Its totient is φ = 7312861000.

The previous prime is 7312860959. The next prime is 7312861013. The reversal of 7312861001 is 1001682137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7305975625 + 6885376 = 85475^2 + 2624^2 .

It is a cyclic number.

It is not a de Polignac number, because 7312861001 - 2¹⁰ = 7312859977 is a prime.

It is not a weakly prime, because it can be changed into another prime (7312861021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3656430500 + 3656430501.

It is an arithmetic number, because the mean of its divisors is an integer number (3656430501).

Almost surely, 2^7312861001 is an apocalyptic number.

It is an amenable number.

7312861001 is a deficient number, since it is larger than the sum of its proper divisors (1).

7312861001 is an equidigital number, since it uses as much as digits as its factorization.

7312861001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 7312861001 is about 85515.2676485316. The cubic root of 7312861001 is about 1941.0159592503.

The spelling of 7312861001 in words is "seven billion, three hundred twelve million, eight hundred sixty-one thousand, one".