51750325 has 24 divisors (see below), whose sum is σ = 70397280. Its totient is φ = 37425600.

The previous prime is 51750289. The next prime is 51750343. The reversal of 51750325 is 52305715.

It is not a de Polignac number, because 51750325 - 2⁹ = 51749813 is a prime.

It is a super-2 number, since 2×51750325² = 5356192275211250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51750293 and 51750302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62011 + ... + 62839.

It is an arithmetic number, because the mean of its divisors is an integer number (2933220).

Almost surely, 2^51750325 is an apocalyptic number.

51750325 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51750325 is a deficient number, since it is larger than the sum of its proper divisors (18646955).

51750325 is a wasteful number, since it uses less digits than its factorization.

51750325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 51750325 is about 7193.7698739951. The cubic root of 51750325 is about 372.6527757933.

The spelling of 51750325 in words is "fifty-one million, seven hundred fifty thousand, three hundred twenty-five".