28465903 has 2 divisors, whose sum is σ = 28465904. Its totient is φ = 28465902.

The previous prime is 28465901. The next prime is 28465919. The reversal of 28465903 is 30956482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28465903 - 2¹ = 28465901 is a prime.

It is a super-3 number, since 3×28465903³ (a number of 23 digits) contains 333 as substring.

Together with 28465901, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28465901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14232951 + 14232952.

It is an arithmetic number, because the mean of its divisors is an integer number (14232952).

Almost surely, 2^28465903 is an apocalyptic number.

28465903 is a deficient number, since it is larger than the sum of its proper divisors (1).

28465903 is an equidigital number, since it uses as much as digits as its factorization.

28465903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 28465903 is about 5335.3446936445. The cubic root of 28465903 is about 305.3338742842. Note that the first 3 decimals are identical.

The spelling of 28465903 in words is "twenty-eight million, four hundred sixty-five thousand, nine hundred three".