90525607 has 2 divisors, whose sum is σ = 90525608. Its totient is φ = 90525606.

The previous prime is 90525587. The next prime is 90525613. The reversal of 90525607 is 70652509.

It is a strong prime.

It is an emirp because it is prime and its reverse (70652509) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90525607 - 2¹⁹ = 90001319 is a prime.

It is equal to p_5245819 and since 90525607 and 5245819 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 (90525307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45262803 + 45262804.

It is an arithmetic number, because the mean of its divisors is an integer number (45262804).

Almost surely, 2^90525607 is an apocalyptic number.

90525607 is a deficient number, since it is larger than the sum of its proper divisors (1).

90525607 is an equidigital number, since it uses as much as digits as its factorization.

90525607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 90525607 is about 9514.4945740696. The cubic root of 90525607 is about 449.0111736083.

The spelling of 90525607 in words is "ninety million, five hundred twenty-five thousand, six hundred seven".