2533906 has 4 divisors (see below), whose sum is σ = 3800862. Its totient is φ = 1266952.

The previous prime is 2533837. The next prime is 2533913. The reversal of 2533906 is 6093352.

2533906 is nontrivially palindromic in base 11.

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

It can be written as a sum of positive squares in only one way, i.e., 2449225 + 84681 = 1565^2 + 291^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 633475 + ... + 633478.

2^2533906 is an apocalyptic number.

2533906 is a deficient number, since it is larger than the sum of its proper divisors (1266956).

2533906 is a wasteful number, since it uses less digits than its factorization.

2533906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266955.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 2533906 is about 1591.8247390966. The cubic root of 2533906 is about 136.3316946869.

The spelling of 2533906 in words is "two million, five hundred thirty-three thousand, nine hundred six".