125350531 has 4 divisors (see below), whose sum is σ = 125555632. Its totient is φ = 125145432.

The previous prime is 125350523. The next prime is 125350541. The reversal of 125350531 is 135053521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135053521 = 439 ⋅307639.

It is a cyclic number.

It is not a de Polignac number, because 125350531 - 2³ = 125350523 is a prime.

It is a super-2 number, since 2×125350531² = 31425511243963922, 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 = 125350496 and 125350505.

It is not an unprimeable number, because it can be changed into a prime (125350541) 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, 101631 + ... + 102856.

It is an arithmetic number, because the mean of its divisors is an integer number (31388908).

Almost surely, 2^125350531 is an apocalyptic number.

125350531 is a deficient number, since it is larger than the sum of its proper divisors (205101).

125350531 is an equidigital number, since it uses as much as digits as its factorization.

125350531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205100.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 125350531 is about 11196.0051357616. The cubic root of 125350531 is about 500.4669384679.

The spelling of 125350531 in words is "one hundred twenty-five million, three hundred fifty thousand, five hundred thirty-one".