51324245 has 8 divisors (see below), whose sum is σ = 70387584. Its totient is φ = 35193744.

The previous prime is 51324239. The next prime is 51324257. The reversal of 51324245 is 54242315.

It is a happy number.

51324245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51324245 - 2⁸ = 51323989 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 733169 + ... + 733238.

It is an arithmetic number, because the mean of its divisors is an integer number (8798448).

Almost surely, 2^51324245 is an apocalyptic number.

It is an amenable number.

51324245 is a deficient number, since it is larger than the sum of its proper divisors (19063339).

51324245 is a wasteful number, since it uses less digits than its factorization.

51324245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466419.

The product of its digits is 4800, while the sum is 26.

The square root of 51324245 is about 7164.0941506934. The cubic root of 51324245 is about 371.6272256225.

The spelling of 51324245 in words is "fifty-one million, three hundred twenty-four thousand, two hundred forty-five".