2045007 has 10 divisors (see below), whose sum is σ = 3055008. Its totient is φ = 1363284.

The previous prime is 2044979. The next prime is 2045009. The reversal of 2045007 is 7005402.

It is a happy number.

It is not a de Polignac number, because 2045007 - 2⁶ = 2044943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12543 + ... + 12704.

2^2045007 is an apocalyptic number.

2045007 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2045007 is a deficient number, since it is larger than the sum of its proper divisors (1010001).

2045007 is an equidigital number, since it uses as much as digits as its factorization.

2045007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25259 (or 25250 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 2045007 is about 1430.0374120980. The cubic root of 2045007 is about 126.9301908282.

The spelling of 2045007 in words is "two million, forty-five thousand, seven".