51825039 has 8 divisors (see below), whose sum is σ = 78971520. Its totient is φ = 29614296.

The previous prime is 51825029. The next prime is 51825071. The reversal of 51825039 is 93052815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51825039 - 2⁴ = 51825023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51825029) 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, 1233909 + ... + 1233950.

It is an arithmetic number, because the mean of its divisors is an integer number (9871440).

Almost surely, 2^51825039 is an apocalyptic number.

51825039 is a deficient number, since it is larger than the sum of its proper divisors (27146481).

51825039 is a wasteful number, since it uses less digits than its factorization.

51825039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2467869.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 51825039 is about 7198.9609666951. The cubic root of 51825039 is about 372.8320274287.

The spelling of 51825039 in words is "fifty-one million, eight hundred twenty-five thousand, thirty-nine".