51254151 has 24 divisors (see below), whose sum is σ = 75753216. Its totient is φ = 30794400.

The previous prime is 51254149. The next prime is 51254171. The reversal of 51254151 is 15145215.

It is not a de Polignac number, because 51254151 - 2¹ = 51254149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51254101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20626 + ... + 22976.

It is an arithmetic number, because the mean of its divisors is an integer number (3156384).

Almost surely, 2^51254151 is an apocalyptic number.

51254151 is a deficient number, since it is larger than the sum of its proper divisors (24499065).

51254151 is a wasteful number, since it uses less digits than its factorization.

51254151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2423 (or 2410 counting only the distinct ones).

The product of its digits is 1000, while the sum is 24.

The square root of 51254151 is about 7159.2004441837. The cubic root of 51254151 is about 371.4579702920.

Adding to 51254151 its reverse (15145215), we get a palindrome (66399366).

The spelling of 51254151 in words is "fifty-one million, two hundred fifty-four thousand, one hundred fifty-one".