1304616261 has 32 divisors (see below), whose sum is σ = 1994751360. Its totient is φ = 751325184.

The previous prime is 1304616233. The next prime is 1304616283. The reversal of 1304616261 is 1626164031.

It is not a de Polignac number, because 1304616261 - 2⁶ = 1304616197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304616221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113181 + ... + 124173.

It is an arithmetic number, because the mean of its divisors is an integer number (62335980).

Almost surely, 2^1304616261 is an apocalyptic number.

It is an amenable number.

1304616261 is a deficient number, since it is larger than the sum of its proper divisors (690135099).

1304616261 is a wasteful number, since it uses less digits than its factorization.

1304616261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11205.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1304616261 is about 36119.4720476366. The cubic root of 1304616261 is about 1092.6831914440.

The spelling of 1304616261 in words is "one billion, three hundred four million, six hundred sixteen thousand, two hundred sixty-one".