51360499 has 2 divisors, whose sum is σ = 51360500. Its totient is φ = 51360498.

The previous prime is 51360497. The next prime is 51360523. The reversal of 51360499 is 99406315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51360499 - 2¹ = 51360497 is a prime.

Together with 51360497, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (51360493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25680249 + 25680250.

It is an arithmetic number, because the mean of its divisors is an integer number (25680250).

Almost surely, 2^51360499 is an apocalyptic number.

51360499 is a deficient number, since it is larger than the sum of its proper divisors (1).

51360499 is an equidigital number, since it uses as much as digits as its factorization.

51360499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 51360499 is about 7166.6239611131. The cubic root of 51360499 is about 371.7147073599.

The spelling of 51360499 in words is "fifty-one million, three hundred sixty thousand, four hundred ninety-nine".