4024002251 has 4 divisors (see below), whose sum is σ = 4024623432. Its totient is φ = 4023381072.

The previous prime is 4024002247. The next prime is 4024002253. The reversal of 4024002251 is 1522004204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4024002251 - 2² = 4024002247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4024002253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300770 + ... + 313863.

It is an arithmetic number, because the mean of its divisors is an integer number (1006155858).

Almost surely, 2^4024002251 is an apocalyptic number.

4024002251 is a deficient number, since it is larger than the sum of its proper divisors (621181).

4024002251 is an equidigital number, since it uses as much as digits as its factorization.

4024002251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621180.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 4024002251 is about 63435.0238511818. The cubic root of 4024002251 is about 1590.5698221338.

Adding to 4024002251 its reverse (1522004204), we get a palindrome (5546006455).

The spelling of 4024002251 in words is "four billion, twenty-four million, two thousand, two hundred fifty-one".