4024213261 has 4 divisors (see below), whose sum is σ = 4154026624. Its totient is φ = 3894399900.

The previous prime is 4024213241. The next prime is 4024213267. The reversal of 4024213261 is 1623124204.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4024213261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4024213267) 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, 64906635 + ... + 64906696.

It is an arithmetic number, because the mean of its divisors is an integer number (1038506656).

Almost surely, 2^4024213261 is an apocalyptic number.

It is an amenable number.

4024213261 is a deficient number, since it is larger than the sum of its proper divisors (129813363).

4024213261 is a wasteful number, since it uses less digits than its factorization.

4024213261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129813362.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 4024213261 is about 63436.6870273031. The cubic root of 4024213261 is about 1590.5976236649.

Adding to 4024213261 its reverse (1623124204), we get a palindrome (5647337465).

The spelling of 4024213261 in words is "four billion, twenty-four million, two hundred thirteen thousand, two hundred sixty-one".