2045534 has 12 divisors (see below), whose sum is σ = 3141744. Its totient is φ = 998844.

The previous prime is 2045509. The next prime is 2045539. The reversal of 2045534 is 4355402.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045539) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4187 + ... + 4649.

It is an arithmetic number, because the mean of its divisors is an integer number (261812).

2^2045534 is an apocalyptic number.

2045534 is a deficient number, since it is larger than the sum of its proper divisors (1096210).

2045534 is an equidigital number, since it uses as much as digits as its factorization.

2045534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 2045534 is about 1430.2216611421. The cubic root of 2045534 is about 126.9410932302.

It can be divided in two parts, 20 and 45534, that added together give a palindrome (45554).

The spelling of 2045534 in words is "two million, forty-five thousand, five hundred thirty-four".