125653331 has 4 divisors (see below), whose sum is σ = 125736000. Its totient is φ = 125570664.

The previous prime is 125653321. The next prime is 125653337. The reversal of 125653331 is 133356521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125653331 is a prime.

It is a super-2 number, since 2×125653331² = 31577519182791122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125653294 and 125653303.

It is not an unprimeable number, because it can be changed into a prime (125653337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39011 + ... + 42108.

It is an arithmetic number, because the mean of its divisors is an integer number (31434000).

Almost surely, 2^125653331 is an apocalyptic number.

125653331 is a deficient number, since it is larger than the sum of its proper divisors (82669).

125653331 is an equidigital number, since it uses as much as digits as its factorization.

125653331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82668.

The product of its digits is 8100, while the sum is 29.

The square root of 125653331 is about 11209.5196596464. The cubic root of 125653331 is about 500.8695947332.

The spelling of 125653331 in words is "one hundred twenty-five million, six hundred fifty-three thousand, three hundred thirty-one".