4252215601 has 4 divisors (see below), whose sum is σ = 4252744804. Its totient is φ = 4251686400.

The previous prime is 4252215589. The next prime is 4252215697. The reversal of 4252215601 is 1065122524.

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

It can be written as a sum of positive squares in 2 ways, for example, as 604176400 + 3648039201 = 24580^2 + 60399^2 .

It is a cyclic number.

It is not a de Polignac number, because 4252215601 - 2²¹ = 4250118449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4252215601.

It is not an unprimeable number, because it can be changed into a prime (4252215701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252360 + ... + 268681.

It is an arithmetic number, because the mean of its divisors is an integer number (1063186201).

Almost surely, 2^4252215601 is an apocalyptic number.

It is an amenable number.

4252215601 is a deficient number, since it is larger than the sum of its proper divisors (529203).

4252215601 is an equidigital number, since it uses as much as digits as its factorization.

4252215601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529202.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 4252215601 is about 65209.0147218926. The cubic root of 4252215601 is about 1620.0873296671.

The spelling of 4252215601 in words is "four billion, two hundred fifty-two million, two hundred fifteen thousand, six hundred one".