420100325 has 12 divisors (see below), whose sum is σ = 533040288. Its totient is φ = 328263600.

The previous prime is 420100319. The next prime is 420100337. The reversal of 420100325 is 523001024.

It is not a de Polignac number, because 420100325 - 2²⁶ = 352991461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 194321 + ... + 196470.

It is an arithmetic number, because the mean of its divisors is an integer number (44420024).

Almost surely, 2^420100325 is an apocalyptic number.

It is an amenable number.

420100325 is a deficient number, since it is larger than the sum of its proper divisors (112939963).

420100325 is a wasteful number, since it uses less digits than its factorization.

420100325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390844 (or 390839 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 420100325 is about 20496.3490651384. The cubic root of 420100325 is about 748.9468626352.

Adding to 420100325 its reverse (523001024), we get a palindrome (943101349).

The spelling of 420100325 in words is "four hundred twenty million, one hundred thousand, three hundred twenty-five".