51271495 has 8 divisors (see below), whose sum is σ = 67119120. Its totient is φ = 37288320.

The previous prime is 51271483. The next prime is 51271513. The reversal of 51271495 is 59417215.

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

It is not a de Polignac number, because 51271495 - 2⁹ = 51270983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51271495.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466050 + ... + 466159.

It is an arithmetic number, because the mean of its divisors is an integer number (8389890).

Almost surely, 2^51271495 is an apocalyptic number.

51271495 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51271495 is a deficient number, since it is larger than the sum of its proper divisors (15847625).

51271495 is a wasteful number, since it uses less digits than its factorization.

51271495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932225.

The product of its digits is 12600, while the sum is 34.

The square root of 51271495 is about 7160.4116501777. The cubic root of 51271495 is about 371.4998650482.

The spelling of 51271495 in words is "fifty-one million, two hundred seventy-one thousand, four hundred ninety-five".