51113274 has 16 divisors (see below), whose sum is σ = 102304512. Its totient is φ = 17024768.

The previous prime is 51113267. The next prime is 51113281. The reversal of 51113274 is 47231115.

It is an interprime number because it is at equal distance from previous prime (51113267) and next prime (51113281).

It is a super-2 number, since 2×51113274² = 5225133557998152, which contains 22 as substring.

It is a Curzon 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, 8602 + ... + 13274.

It is an arithmetic number, because the mean of its divisors is an integer number (6394032).

Almost surely, 2^51113274 is an apocalyptic number.

51113274 is an abundant number, since it is smaller than the sum of its proper divisors (51191238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51113274 is a wasteful number, since it uses less digits than its factorization.

51113274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6501.

The product of its digits is 840, while the sum is 24.

The square root of 51113274 is about 7149.3547960638. The cubic root of 51113274 is about 371.1173285984.

Adding to 51113274 its reverse (47231115), we get a palindrome (98344389).

It can be divided in two parts, 5111 and 3274, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 51113274 in words is "fifty-one million, one hundred thirteen thousand, two hundred seventy-four".