51034253 has 4 divisors (see below), whose sum is σ = 51257340. Its totient is φ = 50811168.

The previous prime is 51034241. The next prime is 51034271. The reversal of 51034253 is 35243015.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38167684 + 12866569 = 6178^2 + 3587^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51034253 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 (51034213) 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, 111200 + ... + 111657.

It is an arithmetic number, because the mean of its divisors is an integer number (12814335).

Almost surely, 2^51034253 is an apocalyptic number.

It is an amenable number.

51034253 is a deficient number, since it is larger than the sum of its proper divisors (223087).

51034253 is a wasteful number, since it uses less digits than its factorization.

51034253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223086.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 51034253 is about 7143.8262156914. The cubic root of 51034253 is about 370.9259811212.

Adding to 51034253 its reverse (35243015), we get a palindrome (86277268).

The spelling of 51034253 in words is "fifty-one million, thirty-four thousand, two hundred fifty-three".