2251403201513 has 2 divisors, whose sum is σ = 2251403201514. Its totient is φ = 2251403201512.

The previous prime is 2251403201389. The next prime is 2251403201533. The reversal of 2251403201513 is 3151023041522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2054185497049 + 197217704464 = 1433243^2 + 444092^2 .

It is a cyclic number.

It is not a de Polignac number, because 2251403201513 - 2²⁴ = 2251386424297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2251403201533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125701600756 + 1125701600757.

It is an arithmetic number, because the mean of its divisors is an integer number (1125701600757).

Almost surely, 2^{2251403201513} is an apocalyptic number.

It is an amenable number.

2251403201513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251403201513 is an equidigital number, since it uses as much as digits as its factorization.

2251403201513 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 spelling of 2251403201513 in words is "two trillion, two hundred fifty-one billion, four hundred three million, two hundred one thousand, five hundred thirteen".