1307796481 has 4 divisors (see below), whose sum is σ = 1308317764. Its totient is φ = 1307275200.

The previous prime is 1307796461. The next prime is 1307796509. The reversal of 1307796481 is 1846977031.

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 637815025 + 669981456 = 25255^2 + 25884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1307796481 is a prime.

It is a super-2 number, since 2×1307796481² = 3420663271431966722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1307796421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256860 + ... + 261901.

It is an arithmetic number, because the mean of its divisors is an integer number (327079441).

Almost surely, 2^1307796481 is an apocalyptic number.

It is an amenable number.

1307796481 is a deficient number, since it is larger than the sum of its proper divisors (521283).

1307796481 is an equidigital number, since it uses as much as digits as its factorization.

1307796481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521282.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 1307796481 is about 36163.4688739894. The cubic root of 1307796481 is about 1093.5703368961.

The spelling of 1307796481 in words is "one billion, three hundred seven million, seven hundred ninety-six thousand, four hundred eighty-one".