1373250563 has 2 divisors, whose sum is σ = 1373250564. Its totient is φ = 1373250562.

The previous prime is 1373250551. The next prime is 1373250607. The reversal of 1373250563 is 3650523731.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1373250563 - 2⁶ = 1373250499 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1373250503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686625281 + 686625282.

It is an arithmetic number, because the mean of its divisors is an integer number (686625282).

Almost surely, 2^1373250563 is an apocalyptic number.

1373250563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373250563 is an equidigital number, since it uses as much as digits as its factorization.

1373250563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 35.

The square root of 1373250563 is about 37057.3955237008. The cubic root of 1373250563 is about 1111.5182435514.

The spelling of 1373250563 in words is "one billion, three hundred seventy-three million, two hundred fifty thousand, five hundred sixty-three".