204162053 has 4 divisors (see below), whose sum is σ = 213038688. Its totient is φ = 195285420.

The previous prime is 204162047. The next prime is 204162073. The reversal of 204162053 is 350261402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204162053 - 2⁴ = 204162037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 8876611 = 204162053 / (2 + 0 + 4 + 1 + 6 + 2 + 0 + 5 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204162043) 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, 4438283 + ... + 4438328.

It is an arithmetic number, because the mean of its divisors is an integer number (53259672).

Almost surely, 2^204162053 is an apocalyptic number.

204162053 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

204162053 is a deficient number, since it is larger than the sum of its proper divisors (8876635).

204162053 is an equidigital number, since it uses as much as digits as its factorization.

204162053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8876634.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 204162053 is about 14288.5287206206. The cubic root of 204162053 is about 588.8323675523.

The spelling of 204162053 in words is "two hundred four million, one hundred sixty-two thousand, fifty-three".