604287261 has 12 divisors (see below), whose sum is σ = 876673980. Its totient is φ = 401097600.

The previous prime is 604287251. The next prime is 604287283. The reversal of 604287261 is 162782406.

604287261 is a `hidden beast` number, since 604 + 28 + 7 + 26 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 505980036 + 98307225 = 22494^2 + 9915^2 .

It is not a de Polignac number, because 604287261 - 2⁶ = 604287197 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604287251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144540 + ... + 148661.

It is an arithmetic number, because the mean of its divisors is an integer number (73056165).

Almost surely, 2^604287261 is an apocalyptic number.

It is an amenable number.

604287261 is a deficient number, since it is larger than the sum of its proper divisors (272386719).

604287261 is a wasteful number, since it uses less digits than its factorization.

604287261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293436 (or 293433 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 604287261 is about 24582.2550023386. The cubic root of 604287261 is about 845.4367971521.

The spelling of 604287261 in words is "six hundred four million, two hundred eighty-seven thousand, two hundred sixty-one".