203160401 has 4 divisors (see below), whose sum is σ = 203216112. Its totient is φ = 203104692.

The previous prime is 203160379. The next prime is 203160409. The reversal of 203160401 is 104061302.

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 203160401 - 2¹⁴ = 203144017 is a prime.

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 203160401.

It is not an unprimeable number, because it can be changed into a prime (203160409) 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, 21971 + ... + 29816.

It is an arithmetic number, because the mean of its divisors is an integer number (50804028).

Almost surely, 2^203160401 is an apocalyptic number.

It is an amenable number.

203160401 is a deficient number, since it is larger than the sum of its proper divisors (55711).

203160401 is an equidigital number, since it uses as much as digits as its factorization.

203160401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55710.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 203160401 is about 14253.4347088693. The cubic root of 203160401 is about 587.8678195257.

Subtracting from 203160401 its reverse (104061302), we obtain a palindrome (99099099).

The spelling of 203160401 in words is "two hundred three million, one hundred sixty thousand, four hundred one".