421760325 has 48 divisors (see below), whose sum is σ = 800663040. Its totient is φ = 191901120.

The previous prime is 421760321. The next prime is 421760329. The reversal of 421760325 is 523067124.

It is an interprime number because it is at equal distance from previous prime (421760321) and next prime (421760329).

It is not a de Polignac number, because 421760325 - 2² = 421760321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421760292 and 421760301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421760321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 117406 + ... + 120944.

It is an arithmetic number, because the mean of its divisors is an integer number (16680480).

Almost surely, 2^421760325 is an apocalyptic number.

It is an amenable number.

421760325 is a deficient number, since it is larger than the sum of its proper divisors (378902715).

421760325 is a wasteful number, since it uses less digits than its factorization.

421760325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786 (or 3781 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 421760325 is about 20536.8041574146. The cubic root of 421760325 is about 749.9320382862.

The spelling of 421760325 in words is "four hundred twenty-one million, seven hundred sixty thousand, three hundred twenty-five".