260235551 has 2 divisors, whose sum is σ = 260235552. Its totient is φ = 260235550.

The previous prime is 260235539. The next prime is 260235553. The reversal of 260235551 is 155532062.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260235551 is a prime.

Together with 260235553, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260235553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130117775 + 130117776.

It is an arithmetic number, because the mean of its divisors is an integer number (130117776).

Almost surely, 2^260235551 is an apocalyptic number.

260235551 is a deficient number, since it is larger than the sum of its proper divisors (1).

260235551 is an equidigital number, since it uses as much as digits as its factorization.

260235551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 260235551 is about 16131.8179694664. The cubic root of 260235551 is about 638.4431159741.

The spelling of 260235551 in words is "two hundred sixty million, two hundred thirty-five thousand, five hundred fifty-one".