125288563 has 2 divisors, whose sum is σ = 125288564. Its totient is φ = 125288562.

The previous prime is 125288543. The next prime is 125288573. The reversal of 125288563 is 365882521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125288563 - 2¹⁷ = 125157491 is a prime.

It is not a weakly prime, because it can be changed into another prime (125288533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62644281 + 62644282.

It is an arithmetic number, because the mean of its divisors is an integer number (62644282).

Almost surely, 2^125288563 is an apocalyptic number.

125288563 is a deficient number, since it is larger than the sum of its proper divisors (1).

125288563 is an equidigital number, since it uses as much as digits as its factorization.

125288563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 115200, while the sum is 40.

The square root of 125288563 is about 11193.2373779886. The cubic root of 125288563 is about 500.3844549796.

The spelling of 125288563 in words is "one hundred twenty-five million, two hundred eighty-eight thousand, five hundred sixty-three".