86625533 has 2 divisors, whose sum is σ = 86625534. Its totient is φ = 86625532.

The previous prime is 86625527. The next prime is 86625571. The reversal of 86625533 is 33552668.

It is a happy number.

It is an a-pointer prime, because the next prime (86625571) can be obtained adding 86625533 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85784644 + 840889 = 9262^2 + 917^2 .

It is a cyclic number.

It is not a de Polignac number, because 86625533 - 2¹⁶ = 86559997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86625593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43312766 + 43312767.

It is an arithmetic number, because the mean of its divisors is an integer number (43312767).

Almost surely, 2^86625533 is an apocalyptic number.

It is an amenable number.

86625533 is a deficient number, since it is larger than the sum of its proper divisors (1).

86625533 is an equidigital number, since it uses as much as digits as its factorization.

86625533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 38.

The square root of 86625533 is about 9307.2838680251. The cubic root of 86625533 is about 442.4681079721.

The spelling of 86625533 in words is "eighty-six million, six hundred twenty-five thousand, five hundred thirty-three".