23252519 has 4 divisors (see below), whose sum is σ = 24054360. Its totient is φ = 22450680.

The previous prime is 23252507. The next prime is 23252521. The reversal of 23252519 is 91525232.

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 23252519 - 2⁴ = 23252503 is a prime.

It is a super-2 number, since 2×23252519² = 1081359279690722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 801811 = 23252519 / (2 + 3 + 2 + 5 + 2 + 5 + 1 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23252491 and 23252500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23252569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400877 + ... + 400934.

It is an arithmetic number, because the mean of its divisors is an integer number (6013590).

Almost surely, 2^23252519 is an apocalyptic number.

23252519 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

23252519 is a deficient number, since it is larger than the sum of its proper divisors (801841).

23252519 is an equidigital number, since it uses as much as digits as its factorization.

23252519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801840.

The product of its digits is 5400, while the sum is 29.

The square root of 23252519 is about 4822.0865815537. The cubic root of 23252519 is about 285.4236809140.

The spelling of 23252519 in words is "twenty-three million, two hundred fifty-two thousand, five hundred nineteen".