90047527 has 2 divisors, whose sum is σ = 90047528. Its totient is φ = 90047526.

The previous prime is 90047501. The next prime is 90047533. The reversal of 90047527 is 72574009.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90047527 - 2¹¹ = 90045479 is a prime.

It is equal to p_5219557 and since 90047527 and 5219557 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 90047492 and 90047501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90047227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45023763 + 45023764.

It is an arithmetic number, because the mean of its divisors is an integer number (45023764).

Almost surely, 2^90047527 is an apocalyptic number.

90047527 is a deficient number, since it is larger than the sum of its proper divisors (1).

90047527 is an equidigital number, since it uses as much as digits as its factorization.

90047527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 90047527 is about 9489.3375427371. The cubic root of 90047527 is about 448.2193451161.

The spelling of 90047527 in words is "ninety million, forty-seven thousand, five hundred twenty-seven".