252124144499 has 4 divisors (see below), whose sum is σ = 252129089640. Its totient is φ = 252119199360.

The previous prime is 252124144439. The next prime is 252124144507. The reversal of 252124144499 is 994441421252.

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

It is a cyclic number.

It is not a de Polignac number, because 252124144499 - 2¹⁶ = 252124078963 is a prime.

It is a super-2 number, since 2×252124144499² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252124144439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2395289 + ... + 2498330.

It is an arithmetic number, because the mean of its divisors is an integer number (63032272410).

Almost surely, 2^252124144499 is an apocalyptic number.

252124144499 is a deficient number, since it is larger than the sum of its proper divisors (4945141).

252124144499 is an equidigital number, since it uses as much as digits as its factorization.

252124144499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4945140.

The product of its digits is 829440, while the sum is 47.

The spelling of 252124144499 in words is "two hundred fifty-two billion, one hundred twenty-four million, one hundred forty-four thousand, four hundred ninety-nine".