260520983 has 2 divisors, whose sum is σ = 260520984. Its totient is φ = 260520982.

The previous prime is 260520979. The next prime is 260521003. The reversal of 260520983 is 389025062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260520983 - 2² = 260520979 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260520943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130260491 + 130260492.

It is an arithmetic number, because the mean of its divisors is an integer number (130260492).

Almost surely, 2^260520983 is an apocalyptic number.

260520983 is a deficient number, since it is larger than the sum of its proper divisors (1).

260520983 is an equidigital number, since it uses as much as digits as its factorization.

260520983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 260520983 is about 16140.6624089596. The cubic root of 260520983 is about 638.6764501080.

The spelling of 260520983 in words is "two hundred sixty million, five hundred twenty thousand, nine hundred eighty-three".