2461309397 has 2 divisors, whose sum is σ = 2461309398. Its totient is φ = 2461309396.

The previous prime is 2461309363. The next prime is 2461309423. The reversal of 2461309397 is 7939031642.

2461309397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1321976881 + 1139332516 = 36359^2 + 33754^2 .

It is a cyclic number.

It is not a de Polignac number, because 2461309397 - 2²⁰ = 2460260821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2461309897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1230654698 + 1230654699.

It is an arithmetic number, because the mean of its divisors is an integer number (1230654699).

Almost surely, 2^2461309397 is an apocalyptic number.

It is an amenable number.

2461309397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2461309397 is an equidigital number, since it uses as much as digits as its factorization.

2461309397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 2461309397 is about 49611.5853102882. The cubic root of 2461309397 is about 1350.1708785985.

The spelling of 2461309397 in words is "two billion, four hundred sixty-one million, three hundred nine thousand, three hundred ninety-seven".