260264551 has 2 divisors, whose sum is σ = 260264552. Its totient is φ = 260264550.

The previous prime is 260264519. The next prime is 260264567. The reversal of 260264551 is 155462062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260264551 - 2⁵ = 260264519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260264581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130132275 + 130132276.

It is an arithmetic number, because the mean of its divisors is an integer number (130132276).

Almost surely, 2^260264551 is an apocalyptic number.

260264551 is a deficient number, since it is larger than the sum of its proper divisors (1).

260264551 is an equidigital number, since it uses as much as digits as its factorization.

260264551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 260264551 is about 16132.7167891834. The cubic root of 260264551 is about 638.4668305955.

The spelling of 260264551 in words is "two hundred sixty million, two hundred sixty-four thousand, five hundred fifty-one".