2516225407 has 2 divisors, whose sum is σ = 2516225408. Its totient is φ = 2516225406.

The previous prime is 2516225377. The next prime is 2516225479. The reversal of 2516225407 is 7045226152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2516225407 - 2⁷ = 2516225279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2516225807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258112703 + 1258112704.

It is an arithmetic number, because the mean of its divisors is an integer number (1258112704).

Almost surely, 2^2516225407 is an apocalyptic number.

2516225407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2516225407 is an equidigital number, since it uses as much as digits as its factorization.

2516225407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 2516225407 is about 50161.9916570305. The cubic root of 2516225407 is about 1360.1386477377.

The spelling of 2516225407 in words is "two billion, five hundred sixteen million, two hundred twenty-five thousand, four hundred seven".