51162151 has 2 divisors, whose sum is σ = 51162152. Its totient is φ = 51162150.

The previous prime is 51162109. The next prime is 51162169. The reversal of 51162151 is 15126115.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51162151 - 2¹⁵ = 51129383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51162751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25581075 + 25581076.

It is an arithmetic number, because the mean of its divisors is an integer number (25581076).

Almost surely, 2^51162151 is an apocalyptic number.

51162151 is a deficient number, since it is larger than the sum of its proper divisors (1).

51162151 is an equidigital number, since it uses as much as digits as its factorization.

51162151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 300, while the sum is 22.

The square root of 51162151 is about 7152.7722597605. The cubic root of 51162151 is about 371.2355843957.

Adding to 51162151 its reverse (15126115), we get a palindrome (66288266).

The spelling of 51162151 in words is "fifty-one million, one hundred sixty-two thousand, one hundred fifty-one".