51051351 has 12 divisors (see below), whose sum is σ = 73708008. Its totient is φ = 31415904.

The previous prime is 51051317. The next prime is 51051361. The reversal of 51051351 is 15315015.

It is not a de Polignac number, because 51051351 - 2¹³ = 51043159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51051311) 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, 49840 + ... + 50853.

It is an arithmetic number, because the mean of its divisors is an integer number (6142334).

Almost surely, 2^51051351 is an apocalyptic number.

51051351 is a deficient number, since it is larger than the sum of its proper divisors (22656657).

51051351 is a wasteful number, since it uses less digits than its factorization.

51051351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100722 (or 100709 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 51051351 is about 7145.0228131196. The cubic root of 51051351 is about 370.9674002591.

Adding to 51051351 its reverse (15315015), we get a palindrome (66366366).

The spelling of 51051351 in words is "fifty-one million, fifty-one thousand, three hundred fifty-one".