2669531 has 4 divisors (see below), whose sum is σ = 2696064. Its totient is φ = 2643000.

The previous prime is 2669521. The next prime is 2669549. The reversal of 2669531 is 1359662.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2669531 is a prime.

It is a super-2 number, since 2×2669531² = 14252791519922, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2669521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13115 + ... + 13316.

It is an arithmetic number, because the mean of its divisors is an integer number (674016).

2^2669531 is an apocalyptic number.

2669531 is a deficient number, since it is larger than the sum of its proper divisors (26533).

2669531 is a wasteful number, since it uses less digits than its factorization.

2669531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26532.

The product of its digits is 9720, while the sum is 32.

The square root of 2669531 is about 1633.8699458647. The cubic root of 2669531 is about 138.7218875491.

The spelling of 2669531 in words is "two million, six hundred sixty-nine thousand, five hundred thirty-one".