51140325 has 24 divisors (see below), whose sum is σ = 86619456. Its totient is φ = 26608000.

The previous prime is 51140317. The next prime is 51140333. The reversal of 51140325 is 52304115.

51140325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51140317) and next prime (51140333).

It is not a de Polignac number, because 51140325 - 2³ = 51140317 is a prime.

It is a super-2 number, since 2×51140325² = 5230665682211250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5241 + ... + 11390.

It is an arithmetic number, because the mean of its divisors is an integer number (3609144).

Almost surely, 2^51140325 is an apocalyptic number.

It is an amenable number.

51140325 is a deficient number, since it is larger than the sum of its proper divisors (35479131).

51140325 is a wasteful number, since it uses less digits than its factorization.

51140325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16685 (or 16680 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 51140325 is about 7151.2463948601. The cubic root of 51140325 is about 371.1827866394.

The spelling of 51140325 in words is "fifty-one million, one hundred forty thousand, three hundred twenty-five".