52625739 has 4 divisors (see below), whose sum is σ = 70167656. Its totient is φ = 35083824.

The previous prime is 52625731. The next prime is 52625743. The reversal of 52625739 is 93752625.

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

It is not a de Polignac number, because 52625739 - 2³ = 52625731 is a prime.

It is a super-2 number, since 2×52625739² = 5538936810592242, 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 = 52625697 and 52625706.

It is not an unprimeable number, because it can be changed into a prime (52625731) 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, 8770954 + ... + 8770959.

It is an arithmetic number, because the mean of its divisors is an integer number (17541914).

Almost surely, 2^52625739 is an apocalyptic number.

52625739 is a deficient number, since it is larger than the sum of its proper divisors (17541917).

52625739 is a wasteful number, since it uses less digits than its factorization.

52625739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17541916.

The product of its digits is 113400, while the sum is 39.

The square root of 52625739 is about 7254.3599993383. The cubic root of 52625739 is about 374.7423154147.

The spelling of 52625739 in words is "fifty-two million, six hundred twenty-five thousand, seven hundred thirty-nine".