900253169 has 2 divisors, whose sum is σ = 900253170. Its totient is φ = 900253168.

The previous prime is 900253153. The next prime is 900253201. The reversal of 900253169 is 961352009.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 710915569 + 189337600 = 26663^2 + 13760^2 .

It is a cyclic number.

It is not a de Polignac number, because 900253169 - 2⁴ = 900253153 is a prime.

It is a super-2 number, since 2×900253169² = 1620911536589085122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (900253069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450126584 + 450126585.

It is an arithmetic number, because the mean of its divisors is an integer number (450126585).

Almost surely, 2^900253169 is an apocalyptic number.

It is an amenable number.

900253169 is a deficient number, since it is larger than the sum of its proper divisors (1).

900253169 is an equidigital number, since it uses as much as digits as its factorization.

900253169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 900253169 is about 30004.2191866411. The cubic root of 900253169 is about 965.5799064820.

The spelling of 900253169 in words is "nine hundred million, two hundred fifty-three thousand, one hundred sixty-nine".