2516662453 has 2 divisors, whose sum is σ = 2516662454. Its totient is φ = 2516662452.

The previous prime is 2516662373. The next prime is 2516662457. The reversal of 2516662453 is 3542666152.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1640088004 + 876574449 = 40498^2 + 29607^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2516662453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2516662457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258331226 + 1258331227.

It is an arithmetic number, because the mean of its divisors is an integer number (1258331227).

Almost surely, 2^2516662453 is an apocalyptic number.

It is an amenable number.

2516662453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2516662453 is an equidigital number, since it uses as much as digits as its factorization.

2516662453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 40.

The square root of 2516662453 is about 50166.3478140476. The cubic root of 2516662453 is about 1360.2173911789.

The spelling of 2516662453 in words is "two billion, five hundred sixteen million, six hundred sixty-two thousand, four hundred fifty-three".