4250420 has 18 divisors (see below), whose sum is σ = 8945286. Its totient is φ = 1696480.

The previous prime is 4250387. The next prime is 4250431. The reversal of 4250420 is 240524.

It can be written as a sum of positive squares in 3 ways, for example, as 80656 + 4169764 = 284^2 + 2042^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8990 + ... + 9450.

Almost surely, 2^4250420 is an apocalyptic number.

It is an amenable number.

4250420 is an abundant number, since it is smaller than the sum of its proper divisors (4694866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4250420 is an equidigital number, since it uses as much as digits as its factorization.

4250420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 4250420 is about 2061.6546752548. The cubic root of 4250420 is about 161.9859257193.

Multiplying 4250420 by its product of nonzero digits (320), we get a square (1360134400 = 36880²).

Adding to 4250420 its reverse (240524), we get a palindrome (4490944).

It can be divided in two parts, 42504 and 20, that added together give a palindrome (42524).

The spelling of 4250420 in words is "four million, two hundred fifty thousand, four hundred twenty".