51040151 has 4 divisors (see below), whose sum is σ = 53259312. Its totient is φ = 48820992.

The previous prime is 51040141. The next prime is 51040153. The reversal of 51040151 is 15104015.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15104015 = 5 ⋅3020803.

It is a cyclic number.

It is not a de Polignac number, because 51040151 - 2¹⁴ = 51023767 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 (51040153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1109546 + ... + 1109591.

It is an arithmetic number, because the mean of its divisors is an integer number (13314828).

Almost surely, 2^51040151 is an apocalyptic number.

51040151 is a deficient number, since it is larger than the sum of its proper divisors (2219161).

51040151 is a wasteful number, since it uses less digits than its factorization.

51040151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219160.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 51040151 is about 7144.2390077600. The cubic root of 51040151 is about 370.9402698066.

Adding to 51040151 its reverse (15104015), we get a palindrome (66144166).

The spelling of 51040151 in words is "fifty-one million, forty thousand, one hundred fifty-one".