51141245 has 16 divisors (see below), whose sum is σ = 62657280. Its totient is φ = 40063104.

The previous prime is 51141199. The next prime is 51141247. The reversal of 51141245 is 54214115.

It is a cyclic number.

It is not a de Polignac number, because 51141245 - 2²² = 46946941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51141245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51141247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60536 + ... + 61374.

It is an arithmetic number, because the mean of its divisors is an integer number (3916080).

Almost surely, 2^51141245 is an apocalyptic number.

It is an amenable number.

51141245 is a deficient number, since it is larger than the sum of its proper divisors (11516035).

51141245 is a wasteful number, since it uses less digits than its factorization.

51141245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084.

The product of its digits is 800, while the sum is 23.

The square root of 51141245 is about 7151.3107190221. The cubic root of 51141245 is about 371.1850124505.

The spelling of 51141245 in words is "fifty-one million, one hundred forty-one thousand, two hundred forty-five".