2669542 has 4 divisors (see below), whose sum is σ = 4004316. Its totient is φ = 1334770.

The previous prime is 2669521. The next prime is 2669549. The reversal of 2669542 is 2459662.

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

It is a d-powerful number, because it can be written as 2¹⁹ + 6⁴ + 6⁶ + 9 + 5³ + 4² + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 2669498 and 2669507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2669549) 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 as a sum of consecutive naturals, namely, 667384 + ... + 667387.

It is an arithmetic number, because the mean of its divisors is an integer number (1001079).

2^2669542 is an apocalyptic number.

2669542 is a deficient number, since it is larger than the sum of its proper divisors (1334774).

2669542 is a wasteful number, since it uses less digits than its factorization.

2669542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334773.

The product of its digits is 25920, while the sum is 34.

The square root of 2669542 is about 1633.8733121023. The cubic root of 2669542 is about 138.7220780867.

The spelling of 2669542 in words is "two million, six hundred sixty-nine thousand, five hundred forty-two".