900994153 has 2 divisors, whose sum is σ = 900994154. Its totient is φ = 900994152.

The previous prime is 900994123. The next prime is 900994219. The reversal of 900994153 is 351499009.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 900480064 + 514089 = 30008^2 + 717^2 .

It is an emirp because it is prime and its reverse (351499009) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 900994153 - 2⁵ = 900994121 is a prime.

It is not a weakly prime, because it can be changed into another prime (900994123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450497076 + 450497077.

It is an arithmetic number, because the mean of its divisors is an integer number (450497077).

Almost surely, 2^900994153 is an apocalyptic number.

It is an amenable number.

900994153 is a deficient number, since it is larger than the sum of its proper divisors (1).

900994153 is an equidigital number, since it uses as much as digits as its factorization.

900994153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 900994153 is about 30016.5646435431. The cubic root of 900994153 is about 965.8447516299.

The spelling of 900994153 in words is "nine hundred million, nine hundred ninety-four thousand, one hundred fifty-three".