2049523 has 12 divisors (see below), whose sum is σ = 2408592. Its totient is φ = 1738800.

The previous prime is 2049521. The next prime is 2049533. The reversal of 2049523 is 3259402.

It is a happy number.

It is not a de Polignac number, because 2049523 - 2¹ = 2049521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2049521) 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, 7261 + ... + 7537.

It is an arithmetic number, because the mean of its divisors is an integer number (200716).

2^2049523 is an apocalyptic number.

2049523 is a deficient number, since it is larger than the sum of its proper divisors (359069).

2049523 is a wasteful number, since it uses less digits than its factorization.

2049523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2049523 is about 1431.6155210111. The cubic root of 2049523 is about 127.0235556778.

The spelling of 2049523 in words is "two million, forty-nine thousand, five hundred twenty-three".