912985153 has 4 divisors (see below), whose sum is σ = 966690180.
Its totient is φ = 859280128.
The previous prime is 912985127. The next prime is 912985181. The reversal of 912985153 is 351589219.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 576336049 + 336649104 = 24007^2 + 18348^2
It is a cyclic number.
It is not a de Polignac number, because 912985153 - 229 = 376114241 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (912983153) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26852488 + ... + 26852521.
It is an arithmetic number, because the mean of its divisors is an integer number (241672545).
It is a narcissistic number, because it is equal to 99 + 19 + 29 + 99 + 89 + 59 + 19 + 59 + 39.
Almost surely, 2912985153 is an apocalyptic number.
It is an amenable number.
912985153 is a deficient number, since it is larger than the sum of its proper divisors (53705027).
912985153 is a wasteful number, since it uses less digits than its factorization.
912985153 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53705026.
The product of its digits is 97200, while the sum is 43.
The square root of 912985153 is about 30215.6441764858.
The cubic root of 912985153 is about 970.1105740671.
The spelling of 912985153 in words is "nine hundred twelve million, nine hundred eighty-five thousand, one hundred fifty-three".