85582507 has 2 divisors, whose sum is σ = 85582508. Its totient is φ = 85582506.

The previous prime is 85582501. The next prime is 85582529. The reversal of 85582507 is 70528558.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85582507 - 2¹⁹ = 85058219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85582507.

It is not a weakly prime, because it can be changed into another prime (85582501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42791253 + 42791254.

It is an arithmetic number, because the mean of its divisors is an integer number (42791254).

Almost surely, 2^85582507 is an apocalyptic number.

85582507 is a deficient number, since it is larger than the sum of its proper divisors (1).

85582507 is an equidigital number, since it uses as much as digits as its factorization.

85582507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112000, while the sum is 40.

The square root of 85582507 is about 9251.0813962477. The cubic root of 85582507 is about 440.6850674578.

The spelling of 85582507 in words is "eighty-five million, five hundred eighty-two thousand, five hundred seven".