52131085 has 4 divisors (see below), whose sum is σ = 62557308. Its totient is φ = 41704864.

The previous prime is 52131059. The next prime is 52131091. The reversal of 52131085 is 58013125.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39300361 + 12830724 = 6269^2 + 3582^2 .

It is a cyclic number.

It is not a de Polignac number, because 52131085 - 2⁷ = 52130957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5213104 + ... + 5213113.

It is an arithmetic number, because the mean of its divisors is an integer number (15639327).

Almost surely, 2^52131085 is an apocalyptic number.

It is an amenable number.

52131085 is a deficient number, since it is larger than the sum of its proper divisors (10426223).

52131085 is a wasteful number, since it uses less digits than its factorization.

52131085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10426222.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 52131085 is about 7220.1859394340. The cubic root of 52131085 is about 373.5644911091.

The spelling of 52131085 in words is "fifty-two million, one hundred thirty-one thousand, eighty-five".