262572643 has 2 divisors, whose sum is σ = 262572644. Its totient is φ = 262572642.

The previous prime is 262572613. The next prime is 262572649. The reversal of 262572643 is 346275262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 262572643 - 2⁹ = 262572131 is a prime.

It is not a weakly prime, because it can be changed into another prime (262572649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131286321 + 131286322.

It is an arithmetic number, because the mean of its divisors is an integer number (131286322).

Almost surely, 2^262572643 is an apocalyptic number.

262572643 is a deficient number, since it is larger than the sum of its proper divisors (1).

262572643 is an equidigital number, since it uses as much as digits as its factorization.

262572643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 37.

The square root of 262572643 is about 16204.0934025943. The cubic root of 262572643 is about 640.3486406096.

It can be divided in two parts, 26257 and 2643, that added together give a square (28900 = 170²).

The spelling of 262572643 in words is "two hundred sixty-two million, five hundred seventy-two thousand, six hundred forty-three".