28425953 has 8 divisors (see below), whose sum is σ = 30464448. Its totient is φ = 26454384.

The previous prime is 28425883. The next prime is 28425959. The reversal of 28425953 is 35952482.

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

It is a cyclic number.

It is not a de Polignac number, because 28425953 - 2¹² = 28421857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28425959) 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, 15851 + ... + 17552.

It is an arithmetic number, because the mean of its divisors is an integer number (3808056).

Almost surely, 2^28425953 is an apocalyptic number.

28425953 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

28425953 is a deficient number, since it is larger than the sum of its proper divisors (2038495).

28425953 is a wasteful number, since it uses less digits than its factorization.

28425953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33463.

The product of its digits is 86400, while the sum is 38.

The square root of 28425953 is about 5331.5994785805. The cubic root of 28425953 is about 305.1909688213.

The spelling of 28425953 in words is "twenty-eight million, four hundred twenty-five thousand, nine hundred fifty-three".