3652627261 has 4 divisors (see below), whose sum is σ = 3661558300. Its totient is φ = 3643696224.

The previous prime is 3652627243. The next prime is 3652627271. The reversal of 3652627261 is 1627262563.

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 1631675236 + 2020952025 = 40394^2 + 44955^2 .

It is a cyclic number.

It is not a de Polignac number, because 3652627261 - 2¹¹ = 3652625213 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 (3652627211) 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, 4464906 + ... + 4465723.

It is an arithmetic number, because the mean of its divisors is an integer number (915389575).

Almost surely, 2^3652627261 is an apocalyptic number.

It is an amenable number.

3652627261 is a deficient number, since it is larger than the sum of its proper divisors (8931039).

3652627261 is an equidigital number, since it uses as much as digits as its factorization.

3652627261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8931038.

The product of its digits is 181440, while the sum is 40.

The square root of 3652627261 is about 60436.9693234199. The cubic root of 3652627261 is about 1540.0510553996.

The spelling of 3652627261 in words is "three billion, six hundred fifty-two million, six hundred twenty-seven thousand, two hundred sixty-one".