28626527 has 2 divisors, whose sum is σ = 28626528. Its totient is φ = 28626526.

The previous prime is 28626523. The next prime is 28626529. The reversal of 28626527 is 72562682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28626527 - 2² = 28626523 is a prime.

Together with 28626529, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28626523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14313263 + 14313264.

It is an arithmetic number, because the mean of its divisors is an integer number (14313264).

Almost surely, 2^28626527 is an apocalyptic number.

28626527 is a deficient number, since it is larger than the sum of its proper divisors (1).

28626527 is an equidigital number, since it uses as much as digits as its factorization.

28626527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 38.

The square root of 28626527 is about 5350.3763419034. The cubic root of 28626527 is about 305.9070979742.

The spelling of 28626527 in words is "twenty-eight million, six hundred twenty-six thousand, five hundred twenty-seven".