213628567 has 2 divisors, whose sum is σ = 213628568. Its totient is φ = 213628566.

The previous prime is 213628559. The next prime is 213628607. The reversal of 213628567 is 765826312.

It is an a-pointer prime, because the next prime (213628607) can be obtained adding 213628567 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213628567 - 2³ = 213628559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213628517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106814283 + 106814284.

It is an arithmetic number, because the mean of its divisors is an integer number (106814284).

Almost surely, 2^213628567 is an apocalyptic number.

213628567 is a deficient number, since it is larger than the sum of its proper divisors (1).

213628567 is an equidigital number, since it uses as much as digits as its factorization.

213628567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 213628567 is about 14616.0380062451. The cubic root of 213628567 is about 597.7961436435.

It can be divided in two parts, 21362 and 8567, that added together give a square (29929 = 173²).

The spelling of 213628567 in words is "two hundred thirteen million, six hundred twenty-eight thousand, five hundred sixty-seven".