4052601021 has 8 divisors (see below), whose sum is σ = 6175392064. Its totient is φ = 2315772000.

The previous prime is 4052600999. The next prime is 4052601043. The reversal of 4052601021 is 1201062504.

It is an interprime number because it is at equal distance from previous prime (4052600999) and next prime (4052601043).

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

It is not a de Polignac number, because 4052601021 - 2⁹ = 4052600509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 192981001 = 4052601021 / (4 + 0 + 5 + 2 + 6 + 0 + 1 + 0 + 2 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4052605021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96490480 + ... + 96490521.

It is an arithmetic number, because the mean of its divisors is an integer number (771924008).

Almost surely, 2^4052601021 is an apocalyptic number.

It is an amenable number.

4052601021 is a deficient number, since it is larger than the sum of its proper divisors (2122791043).

4052601021 is a wasteful number, since it uses less digits than its factorization.

4052601021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192981011.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 4052601021 is about 63660.0425777426. The cubic root of 4052601021 is about 1594.3290149789.

Adding to 4052601021 its reverse (1201062504), we get a palindrome (5253663525).

The spelling of 4052601021 in words is "four billion, fifty-two million, six hundred one thousand, twenty-one".