2312409997 has 2 divisors, whose sum is σ = 2312409998. Its totient is φ = 2312409996.

The previous prime is 2312409973. The next prime is 2312410019. The reversal of 2312409997 is 7999042132.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2041774596 + 270635401 = 45186^2 + 16451^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312409997 - 2¹⁵ = 2312377229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312409907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156204998 + 1156204999.

It is an arithmetic number, because the mean of its divisors is an integer number (1156204999).

Almost surely, 2^2312409997 is an apocalyptic number.

It is an amenable number.

2312409997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312409997 is an equidigital number, since it uses as much as digits as its factorization.

2312409997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 2312409997 is about 48087.5243384394. The cubic root of 2312409997 is about 1322.3759620089.

The spelling of 2312409997 in words is "two billion, three hundred twelve million, four hundred nine thousand, nine hundred ninety-seven".