51740125 has 16 divisors (see below), whose sum is σ = 65362752. Its totient is φ = 40885200.

The previous prime is 51740123. The next prime is 51740131. The reversal of 51740125 is 52104715.

It is not a de Polignac number, because 51740125 - 2¹ = 51740123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51740125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51740123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7882 + ... + 12868.

It is an arithmetic number, because the mean of its divisors is an integer number (4085172).

Almost surely, 2^51740125 is an apocalyptic number.

It is an amenable number.

51740125 is a deficient number, since it is larger than the sum of its proper divisors (13622627).

51740125 is an equidigital number, since it uses as much as digits as its factorization.

51740125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5085 (or 5075 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 51740125 is about 7193.0608922767. The cubic root of 51740125 is about 372.6282908709.

The spelling of 51740125 in words is "fifty-one million, seven hundred forty thousand, one hundred twenty-five".