51235345 has 16 divisors (see below), whose sum is σ = 70927488. Its totient is φ = 34801920.

The previous prime is 51235339. The next prime is 51235361. The reversal of 51235345 is 54353215.

It is not a de Polignac number, because 51235345 - 2³ = 51235337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3096 + ... + 10585.

It is an arithmetic number, because the mean of its divisors is an integer number (4432968).

Almost surely, 2^51235345 is an apocalyptic number.

It is an amenable number.

51235345 is a deficient number, since it is larger than the sum of its proper divisors (19692143).

51235345 is a wasteful number, since it uses less digits than its factorization.

51235345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13800.

The product of its digits is 9000, while the sum is 28.

The square root of 51235345 is about 7157.8869088579. The cubic root of 51235345 is about 371.4125333664.

The spelling of 51235345 in words is "fifty-one million, two hundred thirty-five thousand, three hundred forty-five".