2064531 has 16 divisors (see below), whose sum is σ = 3331584. Its totient is φ = 1110144.

The previous prime is 2064529. The next prime is 2064547. The reversal of 2064531 is 1354602.

It is a happy number.

It is not a de Polignac number, because 2064531 - 2¹ = 2064529 is a prime.

It is a super-2 number, since 2×2064531² = 8524576499922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2064498 and 2064507.

It is not an unprimeable number, because it can be changed into a prime (2064511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2535 + ... + 3248.

It is an arithmetic number, because the mean of its divisors is an integer number (208224).

2^2064531 is an apocalyptic number.

2064531 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2064531 is a deficient number, since it is larger than the sum of its proper divisors (1267053).

2064531 is a wasteful number, since it uses less digits than its factorization.

2064531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5810.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2064531 is about 1436.8475910826. The cubic root of 2064531 is about 127.3328528683.

The spelling of 2064531 in words is "two million, sixty-four thousand, five hundred thirty-one".