2516225671 has 2 divisors, whose sum is σ = 2516225672. Its totient is φ = 2516225670.

The previous prime is 2516225659. The next prime is 2516225681. The reversal of 2516225671 is 1765226152.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2516225671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2516225671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2516225681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258112835 + 1258112836.

It is an arithmetic number, because the mean of its divisors is an integer number (1258112836).

Almost surely, 2^2516225671 is an apocalyptic number.

2516225671 is a deficient number, since it is larger than the sum of its proper divisors (1).

2516225671 is an equidigital number, since it uses as much as digits as its factorization.

2516225671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 37.

The square root of 2516225671 is about 50161.9942885049. The cubic root of 2516225671 is about 1360.1386953058.

The spelling of 2516225671 in words is "two billion, five hundred sixteen million, two hundred twenty-five thousand, six hundred seventy-one".