28483531 has 2 divisors, whose sum is σ = 28483532. Its totient is φ = 28483530.

The previous prime is 28483493. The next prime is 28483537. The reversal of 28483531 is 13538482.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28483531 is a prime.

It is a super-2 number, since 2×28483531² = 1622623076455922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28483537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14241765 + 14241766.

It is an arithmetic number, because the mean of its divisors is an integer number (14241766).

Almost surely, 2^28483531 is an apocalyptic number.

28483531 is a deficient number, since it is larger than the sum of its proper divisors (1).

28483531 is an equidigital number, since it uses as much as digits as its factorization.

28483531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 34.

The square root of 28483531 is about 5336.9964399463. The cubic root of 28483531 is about 305.3968890293.

The spelling of 28483531 in words is "twenty-eight million, four hundred eighty-three thousand, five hundred thirty-one".