264435103253225 has 48 divisors (see below), whose sum is σ = 331947241516800. Its totient is φ = 208954236679680.

The previous prime is 264435103253183. The next prime is 264435103253273. The reversal of 264435103253225 is 522352301534462.

It is not a de Polignac number, because 264435103253225 - 2¹⁴ = 264435103236841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264435103253225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 681939446 + ... + 682327104.

It is an arithmetic number, because the mean of its divisors is an integer number (6915567531600).

Almost surely, 2^{264435103253225} is an apocalyptic number.

264435103253225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

264435103253225 is a deficient number, since it is larger than the sum of its proper divisors (67512138263575).

264435103253225 is a wasteful number, since it uses less digits than its factorization.

264435103253225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388802 (or 388797 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 47.

Adding to 264435103253225 its reverse (522352301534462), we get a palindrome (786787404787687).

The spelling of 264435103253225 in words is "two hundred sixty-four trillion, four hundred thirty-five billion, one hundred three million, two hundred fifty-three thousand, two hundred twenty-five".