28534963 has 2 divisors, whose sum is σ = 28534964. Its totient is φ = 28534962.

The previous prime is 28534931. The next prime is 28534981. The reversal of 28534963 is 36943582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28534963 - 2⁵ = 28534931 is a prime.

It is a super-2 number, since 2×28534963² = 1628488226822738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28544963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14267481 + 14267482.

It is an arithmetic number, because the mean of its divisors is an integer number (14267482).

Almost surely, 2^28534963 is an apocalyptic number.

28534963 is a deficient number, since it is larger than the sum of its proper divisors (1).

28534963 is an equidigital number, since it uses as much as digits as its factorization.

28534963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 40.

The square root of 28534963 is about 5341.8127073120. The cubic root of 28534963 is about 305.5805943461.

The spelling of 28534963 in words is "twenty-eight million, five hundred thirty-four thousand, nine hundred sixty-three".