51525599 has 2 divisors, whose sum is σ = 51525600. Its totient is φ = 51525598.

The previous prime is 51525577. The next prime is 51525631. The reversal of 51525599 is 99552515.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51525599 - 2¹⁶ = 51460063 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51525569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25762799 + 25762800.

It is an arithmetic number, because the mean of its divisors is an integer number (25762800).

Almost surely, 2^51525599 is an apocalyptic number.

51525599 is a deficient number, since it is larger than the sum of its proper divisors (1).

51525599 is an equidigital number, since it uses as much as digits as its factorization.

51525599 is an evil number, because the sum of its binary digits is even.

The product of its digits is 101250, while the sum is 41.

The square root of 51525599 is about 7178.1333924635. The cubic root of 51525599 is about 372.1125776937.

The spelling of 51525599 in words is "fifty-one million, five hundred twenty-five thousand, five hundred ninety-nine".