2515326461 has 2 divisors, whose sum is σ = 2515326462. Its totient is φ = 2515326460.

The previous prime is 2515326433. The next prime is 2515326479. The reversal of 2515326461 is 1646235152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1553148100 + 962178361 = 39410^2 + 31019^2 .

It is a cyclic number.

It is not a de Polignac number, because 2515326461 - 2¹⁰ = 2515325437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2515326431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257663230 + 1257663231.

It is an arithmetic number, because the mean of its divisors is an integer number (1257663231).

Almost surely, 2^2515326461 is an apocalyptic number.

It is an amenable number.

2515326461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2515326461 is an equidigital number, since it uses as much as digits as its factorization.

2515326461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 35.

The square root of 2515326461 is about 50153.0304268845. The cubic root of 2515326461 is about 1359.9766541912.

The spelling of 2515326461 in words is "two billion, five hundred fifteen million, three hundred twenty-six thousand, four hundred sixty-one".