51194265 has 32 divisors (see below), whose sum is σ = 86676480. Its totient is φ = 25730496.

The previous prime is 51194263. The next prime is 51194267. The reversal of 51194265 is 56249115.

It is an interprime number because it is at equal distance from previous prime (51194263) and next prime (51194267).

It is not a de Polignac number, because 51194265 - 2¹ = 51194263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51194261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74614 + ... + 75296.

It is an arithmetic number, because the mean of its divisors is an integer number (2708640).

Almost surely, 2^51194265 is an apocalyptic number.

It is an amenable number.

51194265 is a deficient number, since it is larger than the sum of its proper divisors (35482215).

51194265 is a wasteful number, since it uses less digits than its factorization.

51194265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973.

The product of its digits is 10800, while the sum is 33.

The square root of 51194265 is about 7155.0167714688. The cubic root of 51194265 is about 371.3132418422.

The spelling of 51194265 in words is "fifty-one million, one hundred ninety-four thousand, two hundred sixty-five".