125663493 has 8 divisors (see below), whose sum is σ = 169210656. Its totient is φ = 82946000.

The previous prime is 125663437. The next prime is 125663497. The reversal of 125663493 is 394366521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125663493 - 2²² = 121469189 is a prime.

It is a super-2 number, since 2×125663493² = 31582626945922098, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125663497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207063 + ... + 207668.

It is an arithmetic number, because the mean of its divisors is an integer number (21151332).

Almost surely, 2^125663493 is an apocalyptic number.

It is an amenable number.

125663493 is a deficient number, since it is larger than the sum of its proper divisors (43547163).

125663493 is a wasteful number, since it uses less digits than its factorization.

125663493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414835.

The product of its digits is 116640, while the sum is 39.

The square root of 125663493 is about 11209.9729259263. The cubic root of 125663493 is about 500.8830966955.

The spelling of 125663493 in words is "one hundred twenty-five million, six hundred sixty-three thousand, four hundred ninety-three".