421747325 has 12 divisors (see below), whose sum is σ = 523323648. Its totient is φ = 337167600.

The previous prime is 421747321. The next prime is 421747363. The reversal of 421747325 is 523747124.

It is not a de Polignac number, because 421747325 - 2² = 421747321 is a prime.

It is a super-2 number, since 2×421747325² = 355741612289311250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421747321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38180 + ... + 47970.

It is an arithmetic number, because the mean of its divisors is an integer number (43610304).

Almost surely, 2^421747325 is an apocalyptic number.

It is an amenable number.

421747325 is a deficient number, since it is larger than the sum of its proper divisors (101576323).

421747325 is a wasteful number, since it uses less digits than its factorization.

421747325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11524 (or 11519 counting only the distinct ones).

The product of its digits is 47040, while the sum is 35.

The square root of 421747325 is about 20536.4876500340. The cubic root of 421747325 is about 749.9243331070.

The spelling of 421747325 in words is "four hundred twenty-one million, seven hundred forty-seven thousand, three hundred twenty-five".