260725819 has 2 divisors, whose sum is σ = 260725820. Its totient is φ = 260725818.

The previous prime is 260725799. The next prime is 260725853. The reversal of 260725819 is 918527062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260725819 - 2²⁷ = 126508091 is a prime.

It is a super-2 number, since 2×260725819² = 135955905386441522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (260725019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130362909 + 130362910.

It is an arithmetic number, because the mean of its divisors is an integer number (130362910).

Almost surely, 2^260725819 is an apocalyptic number.

260725819 is a deficient number, since it is larger than the sum of its proper divisors (1).

260725819 is an equidigital number, since it uses as much as digits as its factorization.

260725819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 260725819 is about 16147.0065027546. The cubic root of 260725819 is about 638.8437938357.

The spelling of 260725819 in words is "two hundred sixty million, seven hundred twenty-five thousand, eight hundred nineteen".