2502321397 has 2 divisors, whose sum is σ = 2502321398. Its totient is φ = 2502321396.

The previous prime is 2502321391. The next prime is 2502321431. The reversal of 2502321397 is 7931232052.

2502321397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2502321431) can be obtained adding 2502321397 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1402802116 + 1099519281 = 37454^2 + 33159^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2502321397 is a prime.

It is a super-2 number, since 2×2502321397² = 12523224747768063218, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 2502321397 parts by 70743 straight cuts.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2502321391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251160698 + 1251160699.

It is an arithmetic number, because the mean of its divisors is an integer number (1251160699).

Almost surely, 2^2502321397 is an apocalyptic number.

It is an amenable number.

2502321397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2502321397 is an equidigital number, since it uses as much as digits as its factorization.

2502321397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 2502321397 is about 50023.2085836165. The cubic root of 2502321397 is about 1357.6287610681.

The spelling of 2502321397 in words is "two billion, five hundred two million, three hundred twenty-one thousand, three hundred ninety-seven".