51514161 has 4 divisors (see below), whose sum is σ = 68685552. Its totient is φ = 34342772.

The previous prime is 51514147. The next prime is 51514171. The reversal of 51514161 is 16141515.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51514161 - 2¹³ = 51505969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51514171) 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, 8585691 + ... + 8585696.

It is an arithmetic number, because the mean of its divisors is an integer number (17171388).

Almost surely, 2^51514161 is an apocalyptic number.

It is an amenable number.

51514161 is a deficient number, since it is larger than the sum of its proper divisors (17171391).

51514161 is a wasteful number, since it uses less digits than its factorization.

51514161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17171390.

The product of its digits is 600, while the sum is 24.

The square root of 51514161 is about 7177.3366230100. The cubic root of 51514161 is about 372.0850409694.

Adding to 51514161 its reverse (16141515), we get a palindrome (67655676).

The spelling of 51514161 in words is "fifty-one million, five hundred fourteen thousand, one hundred sixty-one".