51272349 has 8 divisors (see below), whose sum is σ = 68657472. Its totient is φ = 34034400.

The previous prime is 51272329. The next prime is 51272369. The reversal of 51272349 is 94327215.

It is an interprime number because it is at equal distance from previous prime (51272329) and next prime (51272369).

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

It is not a de Polignac number, because 51272349 - 2⁸ = 51272093 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 (51272329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35977 + ... + 37374.

It is an arithmetic number, because the mean of its divisors is an integer number (8582184).

Almost surely, 2^51272349 is an apocalyptic number.

It is an amenable number.

51272349 is a deficient number, since it is larger than the sum of its proper divisors (17385123).

51272349 is a wasteful number, since it uses less digits than its factorization.

51272349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73587.

The product of its digits is 15120, while the sum is 33.

The square root of 51272349 is about 7160.4712833723. The cubic root of 51272349 is about 371.5019276570.

The spelling of 51272349 in words is "fifty-one million, two hundred seventy-two thousand, three hundred forty-nine".