2067531 has 8 divisors (see below), whose sum is σ = 2764944. Its totient is φ = 1374240.

The previous prime is 2067529. The next prime is 2067547. The reversal of 2067531 is 1357602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2067531 - 2¹ = 2067529 is a prime.

It is a super-2 number, since 2×2067531² = 8549368871922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2067511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445 + ... + 2081.

It is an arithmetic number, because the mean of its divisors is an integer number (345618).

2^2067531 is an apocalyptic number.

2067531 is a deficient number, since it is larger than the sum of its proper divisors (697413).

2067531 is a wasteful number, since it uses less digits than its factorization.

2067531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 2067531 is about 1437.8911641706. The cubic root of 2067531 is about 127.3944994245.

It can be divided in two parts, 20675 and 31, that added together give a triangular number (20706 = T₂₀₃).

The spelling of 2067531 in words is "two million, sixty-seven thousand, five hundred thirty-one".