1813049 has 12 divisors (see below), whose sum is σ = 2131344. Its totient is φ = 1537704.

The previous prime is 1813039. The next prime is 1813073. The reversal of 1813049 is 9403181.

It is not a de Polignac number, because 1813049 - 2⁸ = 1812793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1813039) 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, 7874 + ... + 8100.

It is an arithmetic number, because the mean of its divisors is an integer number (177612).

2^1813049 is an apocalyptic number.

It is an amenable number.

1813049 is a deficient number, since it is larger than the sum of its proper divisors (318295).

1813049 is a wasteful number, since it uses less digits than its factorization.

1813049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1813049 is about 1346.4950798276. The cubic root of 1813049 is about 121.9372830022.

The spelling of 1813049 in words is "one million, eight hundred thirteen thousand, forty-nine".