51342325 has 24 divisors (see below), whose sum is σ = 68745600. Its totient is φ = 37920960.

The previous prime is 51342323. The next prime is 51342359. The reversal of 51342325 is 52324315.

It is not a de Polignac number, because 51342325 - 2¹ = 51342323 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 51342325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51342323) 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 23 ways as a sum of consecutive naturals, for example, 15136 + ... + 18214.

It is an arithmetic number, because the mean of its divisors is an integer number (2864400).

Almost surely, 2^51342325 is an apocalyptic number.

It is an amenable number.

51342325 is a deficient number, since it is larger than the sum of its proper divisors (17403275).

51342325 is a wasteful number, since it uses less digits than its factorization.

51342325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141 (or 3136 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 51342325 is about 7165.3558878816. The cubic root of 51342325 is about 371.6708582268.

The spelling of 51342325 in words is "fifty-one million, three hundred forty-two thousand, three hundred twenty-five".