904686061 has 2 divisors, whose sum is σ = 904686062. Its totient is φ = 904686060.

The previous prime is 904686049. The next prime is 904686067. The reversal of 904686061 is 160686409.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 570015625 + 334670436 = 23875^2 + 18294^2 .

It is a cyclic number.

It is not a de Polignac number, because 904686061 - 2¹³ = 904677869 is a prime.

It is a super-3 number, since 3×904686061³ (a number of 28 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (904686067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452343030 + 452343031.

It is an arithmetic number, because the mean of its divisors is an integer number (452343031).

Almost surely, 2^904686061 is an apocalyptic number.

It is an amenable number.

904686061 is a deficient number, since it is larger than the sum of its proper divisors (1).

904686061 is an equidigital number, since it uses as much as digits as its factorization.

904686061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 904686061 is about 30077.9996176607. Note that the first 3 decimals coincide. The cubic root of 904686061 is about 967.1621669898.

The spelling of 904686061 in words is "nine hundred four million, six hundred eighty-six thousand, sixty-one".