265201429 has 2 divisors, whose sum is σ = 265201430. Its totient is φ = 265201428.

The previous prime is 265201427. The next prime is 265201439. The reversal of 265201429 is 924102562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 261954225 + 3247204 = 16185^2 + 1802^2 .

It is a cyclic number.

It is not a de Polignac number, because 265201429 - 2¹ = 265201427 is a prime.

Together with 265201427, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 265201429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265201421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132600714 + 132600715.

It is an arithmetic number, because the mean of its divisors is an integer number (132600715).

Almost surely, 2^265201429 is an apocalyptic number.

It is an amenable number.

265201429 is a deficient number, since it is larger than the sum of its proper divisors (1).

265201429 is an equidigital number, since it uses as much as digits as its factorization.

265201429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 265201429 is about 16285.0062634314. The cubic root of 265201429 is about 642.4785310797.

The spelling of 265201429 in words is "two hundred sixty-five million, two hundred one thousand, four hundred twenty-nine".