252523619 has 4 divisors (see below), whose sum is σ = 261231360. Its totient is φ = 243815880.

The previous prime is 252523577. The next prime is 252523643. The reversal of 252523619 is 916325252.

252523619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 252523619 - 2¹⁶ = 252458083 is a prime.

It is a super-2 number, since 2×252523619² = 127536356305714322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252523919) 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, 4353827 + ... + 4353884.

It is an arithmetic number, because the mean of its divisors is an integer number (65307840).

Almost surely, 2^252523619 is an apocalyptic number.

252523619 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

252523619 is a deficient number, since it is larger than the sum of its proper divisors (8707741).

252523619 is an equidigital number, since it uses as much as digits as its factorization.

252523619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8707740.

The product of its digits is 32400, while the sum is 35.

The square root of 252523619 is about 15890.9917563379. The cubic root of 252523619 is about 632.0731393684.

The spelling of 252523619 in words is "two hundred fifty-two million, five hundred twenty-three thousand, six hundred nineteen".