906522641 has 2 divisors, whose sum is σ = 906522642. Its totient is φ = 906522640.

The previous prime is 906522599. The next prime is 906522691. The reversal of 906522641 is 146225609.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 576192016 + 330330625 = 24004^2 + 18175^2 .

It is a cyclic number.

It is not a de Polignac number, because 906522641 - 2¹⁴ = 906506257 is a prime.

It is a super-2 number, since 2×906522641² = 1643566597291229762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (906522691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453261320 + 453261321.

It is an arithmetic number, because the mean of its divisors is an integer number (453261321).

Almost surely, 2^906522641 is an apocalyptic number.

It is an amenable number.

906522641 is a deficient number, since it is larger than the sum of its proper divisors (1).

906522641 is an equidigital number, since it uses as much as digits as its factorization.

906522641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 906522641 is about 30108.5144269856. The cubic root of 906522641 is about 967.8161949949.

The spelling of 906522641 in words is "nine hundred six million, five hundred twenty-two thousand, six hundred forty-one".