51834725 has 6 divisors (see below), whose sum is σ = 64275090. Its totient is φ = 41467760.

The previous prime is 51834721. The next prime is 51834767. The reversal of 51834725 is 52743815.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 368449 + 51466276 = 607^2 + 7174^2 .

It is not a de Polignac number, because 51834725 - 2² = 51834721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51834721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1036670 + ... + 1036719.

It is an arithmetic number, because the mean of its divisors is an integer number (10712515).

Almost surely, 2^51834725 is an apocalyptic number.

It is an amenable number.

51834725 is a deficient number, since it is larger than the sum of its proper divisors (12440365).

51834725 is a wasteful number, since it uses less digits than its factorization.

51834725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073399 (or 2073394 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 51834725 is about 7199.6336712363. The cubic root of 51834725 is about 372.8552531779.

The spelling of 51834725 in words is "fifty-one million, eight hundred thirty-four thousand, seven hundred twenty-five".