1803042825 has 12 divisors (see below), whose sum is σ = 2981030928. Its totient is φ = 961622800.

The previous prime is 1803042823. The next prime is 1803042827. The reversal of 1803042825 is 5282403081.

It is an interprime number because it is at equal distance from previous prime (1803042823) and next prime (1803042827).

It is not a de Polignac number, because 1803042825 - 2¹ = 1803042823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1803042823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12020211 + ... + 12020360.

It is an arithmetic number, because the mean of its divisors is an integer number (248419244).

Almost surely, 2^1803042825 is an apocalyptic number.

1803042825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1803042825 is a deficient number, since it is larger than the sum of its proper divisors (1177988103).

1803042825 is a wasteful number, since it uses less digits than its factorization.

1803042825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24040584 (or 24040579 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 1803042825 is about 42462.2517655388. The cubic root of 1803042825 is about 1217.1254605069.

The spelling of 1803042825 in words is "one billion, eight hundred three million, forty-two thousand, eight hundred twenty-five".