51484245 has 32 divisors (see below), whose sum is σ = 88128000. Its totient is φ = 25574400.

The previous prime is 51484231. The next prime is 51484247. The reversal of 51484245 is 54248415.

It is a happy number.

It is not a de Polignac number, because 51484245 - 2⁴ = 51484229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51484247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24756 + ... + 26754.

It is an arithmetic number, because the mean of its divisors is an integer number (2754000).

Almost surely, 2^51484245 is an apocalyptic number.

It is an amenable number.

51484245 is a deficient number, since it is larger than the sum of its proper divisors (36643755).

51484245 is a wasteful number, since it uses less digits than its factorization.

51484245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125.

The product of its digits is 25600, while the sum is 33.

The square root of 51484245 is about 7175.2522603738. The cubic root of 51484245 is about 372.0129996035.

The spelling of 51484245 in words is "fifty-one million, four hundred eighty-four thousand, two hundred forty-five".