52519499 has 4 divisors (see below), whose sum is σ = 53409720. Its totient is φ = 51629280.

The previous prime is 52519463. The next prime is 52519501. The reversal of 52519499 is 99491525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52519499 is a prime.

It is a super-2 number, since 2×52519499² = 5516595550422002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52519429) 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 in 3 ways as a sum of consecutive naturals, for example, 445022 + ... + 445139.

It is an arithmetic number, because the mean of its divisors is an integer number (13352430).

Almost surely, 2^52519499 is an apocalyptic number.

52519499 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

52519499 is a deficient number, since it is larger than the sum of its proper divisors (890221).

52519499 is an equidigital number, since it uses as much as digits as its factorization.

52519499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890220.

The product of its digits is 145800, while the sum is 44.

The square root of 52519499 is about 7247.0338070137. The cubic root of 52519499 is about 374.4899709317.

The spelling of 52519499 in words is "fifty-two million, five hundred nineteen thousand, four hundred ninety-nine".