28586461 has 2 divisors, whose sum is σ = 28586462. Its totient is φ = 28586460.

The previous prime is 28586429. The next prime is 28586477. The reversal of 28586461 is 16468582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21215236 + 7371225 = 4606^2 + 2715^2 .

It is a cyclic number.

It is not a de Polignac number, because 28586461 - 2⁵ = 28586429 is a prime.

It is equal to p_1775659 and since 28586461 and 1775659 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28586561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14293230 + 14293231.

It is an arithmetic number, because the mean of its divisors is an integer number (14293231).

Almost surely, 2^28586461 is an apocalyptic number.

It is an amenable number.

28586461 is a deficient number, since it is larger than the sum of its proper divisors (1).

28586461 is an equidigital number, since it uses as much as digits as its factorization.

28586461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 40.

The square root of 28586461 is about 5346.6308082754. The cubic root of 28586461 is about 305.7643143673.

The spelling of 28586461 in words is "twenty-eight million, five hundred eighty-six thousand, four hundred sixty-one".