51355325 has 12 divisors (see below), whose sum is σ = 72778080. Its totient is φ = 35214960.

The previous prime is 51355319. The next prime is 51355331. The reversal of 51355325 is 52355315.

It is an interprime number because it is at equal distance from previous prime (51355319) and next prime (51355331).

It is not a de Polignac number, because 51355325 - 2⁶ = 51355261 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 146555 + ... + 146904.

It is an arithmetic number, because the mean of its divisors is an integer number (6064840).

Almost surely, 2^51355325 is an apocalyptic number.

It is an amenable number.

51355325 is a deficient number, since it is larger than the sum of its proper divisors (21422755).

51355325 is a wasteful number, since it uses less digits than its factorization.

51355325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293476 (or 293471 counting only the distinct ones).

The product of its digits is 11250, while the sum is 29.

The square root of 51355325 is about 7166.2629731262. The cubic root of 51355325 is about 371.7022248976.

The spelling of 51355325 in words is "fifty-one million, three hundred fifty-five thousand, three hundred twenty-five".