51276031 has 8 divisors (see below), whose sum is σ = 53128800. Its totient is φ = 49428960.

The previous prime is 51276023. The next prime is 51276053. The reversal of 51276031 is 13067215.

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 51276031 - 2³ = 51276023 is a prime.

It is a super-2 number, since 2×51276031² = 5258462710225922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51275987 and 51276005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51276011) 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, 26350 + ... + 28228.

It is an arithmetic number, because the mean of its divisors is an integer number (6641100).

Almost surely, 2^51276031 is an apocalyptic number.

51276031 is a deficient number, since it is larger than the sum of its proper divisors (1852769).

51276031 is a wasteful number, since it uses less digits than its factorization.

51276031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 51276031 is about 7160.7283847385. The cubic root of 51276031 is about 371.5108202823.

The spelling of 51276031 in words is "fifty-one million, two hundred seventy-six thousand, thirty-one".