260196997 has 2 divisors, whose sum is σ = 260196998. Its totient is φ = 260196996.

The previous prime is 260196983. The next prime is 260197013. The reversal of 260196997 is 799691062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 258759396 + 1437601 = 16086^2 + 1199^2 .

It is a cyclic number.

It is not a de Polignac number, because 260196997 - 2⁷ = 260196869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 260196997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260176997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130098498 + 130098499.

It is an arithmetic number, because the mean of its divisors is an integer number (130098499).

Almost surely, 2^260196997 is an apocalyptic number.

It is an amenable number.

260196997 is a deficient number, since it is larger than the sum of its proper divisors (1).

260196997 is an equidigital number, since it uses as much as digits as its factorization.

260196997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 49.

The square root of 260196997 is about 16130.6229575922. The cubic root of 260196997 is about 638.4115858835.

The spelling of 260196997 in words is "two hundred sixty million, one hundred ninety-six thousand, nine hundred ninety-seven".