51314671 has 4 divisors (see below), whose sum is σ = 52701592. Its totient is φ = 49927752.

The previous prime is 51314639. The next prime is 51314677. The reversal of 51314671 is 17641315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51314671 - 2⁵ = 51314639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51314677) 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, 693405 + ... + 693478.

It is an arithmetic number, because the mean of its divisors is an integer number (13175398).

Almost surely, 2^51314671 is an apocalyptic number.

51314671 is a deficient number, since it is larger than the sum of its proper divisors (1386921).

51314671 is a wasteful number, since it uses less digits than its factorization.

51314671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386920.

The product of its digits is 2520, while the sum is 28.

The square root of 51314671 is about 7163.4259261892. The cubic root of 51314671 is about 371.6041164641.

Adding to 51314671 its reverse (17641315), we get a palindrome (68955986).

The spelling of 51314671 in words is "fifty-one million, three hundred fourteen thousand, six hundred seventy-one".