51114252 has 36 divisors (see below), whose sum is σ = 138740280. Its totient is φ = 14603904.

The previous prime is 51114251. The next prime is 51114253. The reversal of 51114252 is 25241115.

It is an interprime number because it is at equal distance from previous prime (51114251) and next prime (51114253).

It is a super-2 number, since 2×51114252² = 5225333515039008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51114251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42877 + ... + 44052.

Almost surely, 2^51114252 is an apocalyptic number.

It is an amenable number.

51114252 is an abundant number, since it is smaller than the sum of its proper divisors (87626028).

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

51114252 is a wasteful number, since it uses less digits than its factorization.

51114252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86950 (or 86941 counting only the distinct ones).

The product of its digits is 400, while the sum is 21.

The square root of 51114252 is about 7149.4231935171. The cubic root of 51114252 is about 371.1196955662.

Adding to 51114252 its reverse (25241115), we get a palindrome (76355367).

The spelling of 51114252 in words is "fifty-one million, one hundred fourteen thousand, two hundred fifty-two".