2461309897 has 2 divisors, whose sum is σ = 2461309898. Its totient is φ = 2461309896.

The previous prime is 2461309871. The next prime is 2461309933. The reversal of 2461309897 is 7989031642.

2461309897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1535385856 + 925924041 = 39184^2 + 30429^2 .

It is a cyclic number.

It is not a de Polignac number, because 2461309897 - 2⁷ = 2461309769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2461309897.

It is not a weakly prime, because it can be changed into another prime (2461309867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1230654948 + 1230654949.

It is an arithmetic number, because the mean of its divisors is an integer number (1230654949).

Almost surely, 2^2461309897 is an apocalyptic number.

It is an amenable number.

2461309897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2461309897 is an equidigital number, since it uses as much as digits as its factorization.

2461309897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 2461309897 is about 49611.5903494335. The cubic root of 2461309897 is about 1350.1709700248.

The spelling of 2461309897 in words is "two billion, four hundred sixty-one million, three hundred nine thousand, eight hundred ninety-seven".