4251490 has 8 divisors (see below), whose sum is σ = 7652700. Its totient is φ = 1700592.

The previous prime is 4251463. The next prime is 4251491. The reversal of 4251490 is 941524.

It can be written as a sum of positive squares in 2 ways, for example, as 3728761 + 522729 = 1931^2 + 723^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4251491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212565 + ... + 212584.

Almost surely, 2^4251490 is an apocalyptic number.

4251490 is a deficient number, since it is larger than the sum of its proper divisors (3401210).

4251490 is a wasteful number, since it uses less digits than its factorization.

4251490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425156.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 4251490 is about 2061.9141592220. The cubic root of 4251490 is about 161.9995173486. Note that the first 3 decimals are identical.

The spelling of 4251490 in words is "four million, two hundred fifty-one thousand, four hundred ninety".