1257150563 has 2 divisors, whose sum is σ = 1257150564. Its totient is φ = 1257150562.

The previous prime is 1257150553. The next prime is 1257150613. The reversal of 1257150563 is 3650517521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1257150563 - 2²² = 1252956259 is a prime.

It is not a weakly prime, because it can be changed into another prime (1257150553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628575281 + 628575282.

It is an arithmetic number, because the mean of its divisors is an integer number (628575282).

Almost surely, 2^1257150563 is an apocalyptic number.

1257150563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1257150563 is an equidigital number, since it uses as much as digits as its factorization.

1257150563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 1257150563 is about 35456.3190841915. The cubic root of 1257150563 is about 1079.2674968381.

The spelling of 1257150563 in words is "one billion, two hundred fifty-seven million, one hundred fifty thousand, five hundred sixty-three".