4250520 has 48 divisors (see below), whose sum is σ = 13815360. Its totient is φ = 1133376.

The previous prime is 4250489. The next prime is 4250531. The reversal of 4250520 is 250524.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4250493 and 4250502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5544 + ... + 6263.

It is an arithmetic number, because the mean of its divisors is an integer number (287820).

Almost surely, 2^4250520 is an apocalyptic number.

4250520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4250520 is an abundant number, since it is smaller than the sum of its proper divisors (9564840).

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

4250520 is a wasteful number, since it uses less digits than its factorization.

4250520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11824 (or 11817 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 4250520 is about 2061.6789274763. The cubic root of 4250520 is about 161.9871960617.

The spelling of 4250520 in words is "four million, two hundred fifty thousand, five hundred twenty".