117425531 has 8 divisors (see below), whose sum is σ = 120785280. Its totient is φ = 114075648.

The previous prime is 117425527. The next prime is 117425533. The reversal of 117425531 is 135524711.

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 117425531 - 2² = 117425527 is a prime.

It is a super-2 number, since 2×117425531² = 27577510661263922, 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 = 117425494 and 117425503.

It is not an unprimeable number, because it can be changed into a prime (117425533) 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, 26390 + ... + 30516.

It is an arithmetic number, because the mean of its divisors is an integer number (15098160).

Almost surely, 2^117425531 is an apocalyptic number.

117425531 is a deficient number, since it is larger than the sum of its proper divisors (3359749).

117425531 is an equidigital number, since it uses as much as digits as its factorization.

117425531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4933.

The product of its digits is 4200, while the sum is 29.

The square root of 117425531 is about 10836.3061510830. The cubic root of 117425531 is about 489.6895590181.

The spelling of 117425531 in words is "one hundred seventeen million, four hundred twenty-five thousand, five hundred thirty-one".