51492671 has 2 divisors, whose sum is σ = 51492672. Its totient is φ = 51492670.

The previous prime is 51492659. The next prime is 51492697. The reversal of 51492671 is 17629415.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51492671 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51492611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25746335 + 25746336.

It is an arithmetic number, because the mean of its divisors is an integer number (25746336).

Almost surely, 2^51492671 is an apocalyptic number.

51492671 is a deficient number, since it is larger than the sum of its proper divisors (1).

51492671 is an equidigital number, since it uses as much as digits as its factorization.

51492671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 35.

The square root of 51492671 is about 7175.8393934090. The cubic root of 51492671 is about 372.0332932587.

The spelling of 51492671 in words is "fifty-one million, four hundred ninety-two thousand, six hundred seventy-one".