421533860315325 has 48 divisors (see below), whose sum is σ = 736265260441920. Its totient is φ = 212216628395520.

The previous prime is 421533860315299. The next prime is 421533860315333. The reversal of 421533860315325 is 523513068335124.

It is not a de Polignac number, because 421533860315325 - 2¹⁷ = 421533860184253 is a prime.

It is a congruent number.

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, 533564184 + ... + 534353633.

It is an arithmetic number, because the mean of its divisors is an integer number (15338859592540).

Almost surely, 2^{421533860315325} is an apocalyptic number.

It is an amenable number.

421533860315325 is a deficient number, since it is larger than the sum of its proper divisors (314731400126595).

421533860315325 is a wasteful number, since it uses less digits than its factorization.

421533860315325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067918126 (or 1067918121 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 51.

The spelling of 421533860315325 in words is "four hundred twenty-one trillion, five hundred thirty-three billion, eight hundred sixty million, three hundred fifteen thousand, three hundred twenty-five".