19452085 has 4 divisors (see below), whose sum is σ = 23342508. Its totient is φ = 15561664.

The previous prime is 19452079. The next prime is 19452119. The reversal of 19452085 is 58025491.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14607684 + 4844401 = 3822^2 + 2201^2 .

It is a cyclic number.

It is not a de Polignac number, because 19452085 - 2⁵ = 19452053 is a prime.

It is a super-2 number, since 2×19452085² = 756767221694450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19452085.

It is a congruent number.

It is an unprimeable number.

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, 1945204 + ... + 1945213.

It is an arithmetic number, because the mean of its divisors is an integer number (5835627).

Almost surely, 2^19452085 is an apocalyptic number.

It is an amenable number.

19452085 is a deficient number, since it is larger than the sum of its proper divisors (3890423).

19452085 is an equidigital number, since it uses as much as digits as its factorization.

19452085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3890422.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 19452085 is about 4410.4517909167. The cubic root of 19452085 is about 268.9399911285.

The spelling of 19452085 in words is "nineteen million, four hundred fifty-two thousand, eighty-five".