604127961 has 6 divisors (see below), whose sum is σ = 872629290. Its totient is φ = 402751968.

The previous prime is 604127921. The next prime is 604127983. The reversal of 604127961 is 169721406.

It can be written as a sum of positive squares in only one way, i.e., 326705625 + 277422336 = 18075^2 + 16656^2 .

It is not a de Polignac number, because 604127961 - 2⁷ = 604127833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (604127921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33562656 + ... + 33562673.

It is an arithmetic number, because the mean of its divisors is an integer number (145438215).

Almost surely, 2^604127961 is an apocalyptic number.

It is an amenable number.

604127961 is a deficient number, since it is larger than the sum of its proper divisors (268501329).

604127961 is a wasteful number, since it uses less digits than its factorization.

604127961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67125335 (or 67125332 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 604127961 is about 24579.0146466452. The cubic root of 604127961 is about 845.3625003032.

The spelling of 604127961 in words is "six hundred four million, one hundred twenty-seven thousand, nine hundred sixty-one".