9020657 has 2 divisors, whose sum is σ = 9020658. Its totient is φ = 9020656.

The previous prime is 9020639. The next prime is 9020681. The reversal of 9020657 is 7560209.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7845601 + 1175056 = 2801^2 + 1084^2 .

It is a cyclic number.

It is not a de Polignac number, because 9020657 - 2¹² = 9016561 is a prime.

It is not a weakly prime, because it can be changed into another prime (9020617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4510328 + 4510329.

It is an arithmetic number, because the mean of its divisors is an integer number (4510329).

Almost surely, 2^9020657 is an apocalyptic number.

It is an amenable number.

9020657 is a deficient number, since it is larger than the sum of its proper divisors (1).

9020657 is an equidigital number, since it uses as much as digits as its factorization.

9020657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 9020657 is about 3003.4408600803. The cubic root of 9020657 is about 208.1674025254.

Subtracting from 9020657 its sum of digits (29), we obtain a triangular number (9020628 = T₄₂₄₇).

The spelling of 9020657 in words is "nine million, twenty thousand, six hundred fifty-seven".