1600225399 has 4 divisors (see below), whose sum is σ = 1606002664. Its totient is φ = 1594448136.

The previous prime is 1600225381. The next prime is 1600225409. The reversal of 1600225399 is 9935220061.

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 1600225399 - 2¹¹ = 1600223351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1600225379) 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, 2888217 + ... + 2888770.

It is an arithmetic number, because the mean of its divisors is an integer number (401500666).

Almost surely, 2^1600225399 is an apocalyptic number.

1600225399 is a deficient number, since it is larger than the sum of its proper divisors (5777265).

1600225399 is an equidigital number, since it uses as much as digits as its factorization.

1600225399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5777264.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 1600225399 is about 40002.8173882790. The cubic root of 1600225399 is about 1169.6620152625.

The spelling of 1600225399 in words is "one billion, six hundred million, two hundred twenty-five thousand, three hundred ninety-nine".