51514261 has 2 divisors, whose sum is σ = 51514262. Its totient is φ = 51514260.

The previous prime is 51514213. The next prime is 51514271. The reversal of 51514261 is 16241515.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33281361 + 18232900 = 5769^2 + 4270^2 .

It is a cyclic number.

It is not a de Polignac number, because 51514261 - 2¹⁹ = 50989973 is a prime.

It is a super-2 number, since 2×51514261² = 5307438172752242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51514201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25757130 + 25757131.

It is an arithmetic number, because the mean of its divisors is an integer number (25757131).

Almost surely, 2^51514261 is an apocalyptic number.

It is an amenable number.

51514261 is a deficient number, since it is larger than the sum of its proper divisors (1).

51514261 is an equidigital number, since it uses as much as digits as its factorization.

51514261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200, while the sum is 25.

The square root of 51514261 is about 7177.3435893790. The cubic root of 51514261 is about 372.0852817347.

Adding to 51514261 its reverse (16241515), we get a palindrome (67755776).

The spelling of 51514261 in words is "fifty-one million, five hundred fourteen thousand, two hundred sixty-one".