421354625 has 16 divisors (see below), whose sum is σ = 533709696. Its totient is φ = 332046000.

The previous prime is 421354607. The next prime is 421354643. The reversal of 421354625 is 526453124.

It is an interprime number because it is at equal distance from previous prime (421354607) and next prime (421354643).

It is not a de Polignac number, because 421354625 - 2¹⁰ = 421353601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421354591 and 421354600.

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 15 ways as a sum of consecutive naturals, for example, 16781 + ... + 33530.

It is an arithmetic number, because the mean of its divisors is an integer number (33356856).

Almost surely, 2^421354625 is an apocalyptic number.

It is an amenable number.

421354625 is a deficient number, since it is larger than the sum of its proper divisors (112355071).

421354625 is an equidigital number, since it uses as much as digits as its factorization.

421354625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50393 (or 50383 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 421354625 is about 20526.9243921246. The cubic root of 421354625 is about 749.6915027530.

The spelling of 421354625 in words is "four hundred twenty-one million, three hundred fifty-four thousand, six hundred twenty-five".