2450315261 has 2 divisors, whose sum is σ = 2450315262. Its totient is φ = 2450315260.

The previous prime is 2450315201. The next prime is 2450315291. The reversal of 2450315261 is 1625130542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1610416900 + 839898361 = 40130^2 + 28981^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2450315261 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2450315201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1225157630 + 1225157631.

It is an arithmetic number, because the mean of its divisors is an integer number (1225157631).

Almost surely, 2^2450315261 is an apocalyptic number.

It is an amenable number.

2450315261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2450315261 is an equidigital number, since it uses as much as digits as its factorization.

2450315261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2450315261 is about 49500.6591976309. The cubic root of 2450315261 is about 1348.1575709828.

The spelling of 2450315261 in words is "two billion, four hundred fifty million, three hundred fifteen thousand, two hundred sixty-one".