4062251521 has 4 divisors (see below), whose sum is σ = 4071140932. Its totient is φ = 4053362112.

The previous prime is 4062251447. The next prime is 4062251533. The reversal of 4062251521 is 1251522604.

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 3777823296 + 284428225 = 61464^2 + 16865^2 .

It is a cyclic number.

It is not a de Polignac number, because 4062251521 - 2¹¹ = 4062249473 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 4062251521.

It is not an unprimeable number, because it can be changed into a prime (4062251551) 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, 4444020 + ... + 4444933.

It is an arithmetic number, because the mean of its divisors is an integer number (1017785233).

Almost surely, 2^4062251521 is an apocalyptic number.

It is an amenable number.

4062251521 is a deficient number, since it is larger than the sum of its proper divisors (8889411).

4062251521 is an equidigital number, since it uses as much as digits as its factorization.

4062251521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8889410.

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

The square root of 4062251521 is about 63735.7946604575. The cubic root of 4062251521 is about 1595.5935423946.

The spelling of 4062251521 in words is "four billion, sixty-two million, two hundred fifty-one thousand, five hundred twenty-one".