51231095 has 8 divisors (see below), whose sum is σ = 61650720. Its totient is φ = 40869280.

The previous prime is 51231083. The next prime is 51231101. The reversal of 51231095 is 59013215.

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

It is not a de Polignac number, because 51231095 - 2¹⁴ = 51214711 is a prime.

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, 12476 + ... + 16065.

It is an arithmetic number, because the mean of its divisors is an integer number (7706340).

Almost surely, 2^51231095 is an apocalyptic number.

51231095 is a deficient number, since it is larger than the sum of its proper divisors (10419625).

51231095 is a wasteful number, since it uses less digits than its factorization.

51231095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28905.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 51231095 is about 7157.5900273765. The cubic root of 51231095 is about 371.4022634579.

The spelling of 51231095 in words is "fifty-one million, two hundred thirty-one thousand, ninety-five".