28005262 has 4 divisors (see below), whose sum is σ = 42007896. Its totient is φ = 14002630.

The previous prime is 28005247. The next prime is 28005269. The reversal of 28005262 is 26250082.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28005269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7001314 + ... + 7001317.

It is an arithmetic number, because the mean of its divisors is an integer number (10501974).

Almost surely, 2^28005262 is an apocalyptic number.

28005262 is a deficient number, since it is larger than the sum of its proper divisors (14002634).

28005262 is a wasteful number, since it uses less digits than its factorization.

28005262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14002633.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 28005262 is about 5291.9998110355. Note that the first 3 decimals coincide. The cubic root of 28005262 is about 303.6779180570.

The spelling of 28005262 in words is "twenty-eight million, five thousand, two hundred sixty-two".