51374151 has 12 divisors (see below), whose sum is σ = 74384128. Its totient is φ = 34167744.

The previous prime is 51374143. The next prime is 51374173. The reversal of 51374151 is 15147315.

It is not a de Polignac number, because 51374151 - 2³ = 51374143 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 (51375151) 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, 2695 + ... + 10488.

Almost surely, 2^51374151 is an apocalyptic number.

51374151 is a deficient number, since it is larger than the sum of its proper divisors (23009977).

51374151 is a wasteful number, since it uses less digits than its factorization.

51374151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13622 (or 13619 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 51374151 is about 7167.5763686200. The cubic root of 51374151 is about 371.7476392805.

The spelling of 51374151 in words is "fifty-one million, three hundred seventy-four thousand, one hundred fifty-one".