902936161 has 2 divisors, whose sum is σ = 902936162. Its totient is φ = 902936160.

The previous prime is 902936159. The next prime is 902936179. The reversal of 902936161 is 161639209.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 845646400 + 57289761 = 29080^2 + 7569^2 .

It is a cyclic number.

It is not a de Polignac number, because 902936161 - 2¹ = 902936159 is a prime.

Together with 902936159, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 902936161.

It is not a weakly prime, because it can be changed into another prime (902936261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451468080 + 451468081.

It is an arithmetic number, because the mean of its divisors is an integer number (451468081).

Almost surely, 2^902936161 is an apocalyptic number.

It is an amenable number.

902936161 is a deficient number, since it is larger than the sum of its proper divisors (1).

902936161 is an equidigital number, since it uses as much as digits as its factorization.

902936161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 902936161 is about 30048.8961694103. The cubic root of 902936161 is about 966.5381827781.

The spelling of 902936161 in words is "nine hundred two million, nine hundred thirty-six thousand, one hundred sixty-one".