90242627 has 2 divisors, whose sum is σ = 90242628. Its totient is φ = 90242626.

The previous prime is 90242611. The next prime is 90242629. The reversal of 90242627 is 72624209.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90242627 - 2⁴ = 90242611 is a prime.

It is a super-2 number, since 2×90242627² = 16287463455722258, which contains 22 as substring.

Together with 90242629, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 90242593 and 90242602.

It is not a weakly prime, because it can be changed into another prime (90242629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45121313 + 45121314.

It is an arithmetic number, because the mean of its divisors is an integer number (45121314).

Almost surely, 2^90242627 is an apocalyptic number.

90242627 is a deficient number, since it is larger than the sum of its proper divisors (1).

90242627 is an equidigital number, since it uses as much as digits as its factorization.

90242627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 90242627 is about 9499.6119394426. The cubic root of 90242627 is about 448.5428206459.

The spelling of 90242627 in words is "ninety million, two hundred forty-two thousand, six hundred twenty-seven".