51190673 has 4 divisors (see below), whose sum is σ = 52439268. Its totient is φ = 49942080.

The previous prime is 51190609. The next prime is 51190679. The reversal of 51190673 is 37609115.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37609115 = 5 ⋅7521823.

It can be written as a sum of positive squares in 2 ways, for example, as 24275329 + 26915344 = 4927^2 + 5188^2 .

It is a cyclic number.

It is not a de Polignac number, because 51190673 - 2⁶ = 51190609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51190679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624236 + ... + 624317.

It is an arithmetic number, because the mean of its divisors is an integer number (13109817).

Almost surely, 2^51190673 is an apocalyptic number.

It is an amenable number.

51190673 is a deficient number, since it is larger than the sum of its proper divisors (1248595).

51190673 is a wasteful number, since it uses less digits than its factorization.

51190673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248594.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 51190673 is about 7154.7657543766. The cubic root of 51190673 is about 371.3045573515.

Adding to 51190673 its reverse (37609115), we get a palindrome (88799788).

The spelling of 51190673 in words is "fifty-one million, one hundred ninety thousand, six hundred seventy-three".