51034331 has 4 divisors (see below), whose sum is σ = 51181752. Its totient is φ = 50886912.

The previous prime is 51034297. The next prime is 51034343. The reversal of 51034331 is 13343015.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 51034331 - 2¹⁴ = 51017947 is a prime.

It is a super-2 number, since 2×51034331² = 5209005881235122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51034831) 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, 73190 + ... + 73883.

It is an arithmetic number, because the mean of its divisors is an integer number (12795438).

Almost surely, 2^51034331 is an apocalyptic number.

51034331 is a deficient number, since it is larger than the sum of its proper divisors (147421).

51034331 is a wasteful number, since it uses less digits than its factorization.

51034331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147420.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 51034331 is about 7143.8316749487. The cubic root of 51034331 is about 370.9261700937.

Adding to 51034331 its reverse (13343015), we get a palindrome (64377346).

The spelling of 51034331 in words is "fifty-one million, thirty-four thousand, three hundred thirty-one".