51514609 has 2 divisors, whose sum is σ = 51514610. Its totient is φ = 51514608.

The previous prime is 51514597. The next prime is 51514621. The reversal of 51514609 is 90641515.

It is a balanced prime because it is at equal distance from previous prime (51514597) and next prime (51514621).

It can be written as a sum of positive squares in only one way, i.e., 48441600 + 3073009 = 6960^2 + 1753^2 .

It is a cyclic number.

It is not a de Polignac number, because 51514609 - 2⁵ = 51514577 is a prime.

It is not a weakly prime, because it can be changed into another prime (51514109) 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, 25757304 + 25757305.

It is an arithmetic number, because the mean of its divisors is an integer number (25757305).

Almost surely, 2^51514609 is an apocalyptic number.

It is an amenable number.

51514609 is a deficient number, since it is larger than the sum of its proper divisors (1).

51514609 is an equidigital number, since it uses as much as digits as its factorization.

51514609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 51514609 is about 7177.3678322906. The cubic root of 51514609 is about 372.0861195958.

The spelling of 51514609 in words is "fifty-one million, five hundred fourteen thousand, six hundred nine".