2521260767 has 2 divisors, whose sum is σ = 2521260768. Its totient is φ = 2521260766.

The previous prime is 2521260751. The next prime is 2521260779. The reversal of 2521260767 is 7670621252.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2521260767 - 2⁴ = 2521260751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2521260767.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2521760767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260630383 + 1260630384.

It is an arithmetic number, because the mean of its divisors is an integer number (1260630384).

Almost surely, 2^2521260767 is an apocalyptic number.

2521260767 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521260767 is an equidigital number, since it uses as much as digits as its factorization.

2521260767 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 2521260767 is about 50212.1575616902. The cubic root of 2521260767 is about 1361.0453264870.

The spelling of 2521260767 in words is "two billion, five hundred twenty-one million, two hundred sixty thousand, seven hundred sixty-seven".