4521052765 has 8 divisors (see below), whose sum is σ = 5446374840. Its totient is φ = 3602767872.

The previous prime is 4521052699. The next prime is 4521052787. The reversal of 4521052765 is 5672501254.

It can be written as a sum of positive squares in 4 ways, for example, as 3270581721 + 1250471044 = 57189^2 + 35362^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4521052765 - 2⁹ = 4521052253 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1757880 + ... + 1760449.

It is an arithmetic number, because the mean of its divisors is an integer number (680796855).

Almost surely, 2^4521052765 is an apocalyptic number.

It is an amenable number.

4521052765 is a deficient number, since it is larger than the sum of its proper divisors (925322075).

4521052765 is a wasteful number, since it uses less digits than its factorization.

4521052765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3518591.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 4521052765 is about 67238.7742675311. The cubic root of 4521052765 is about 1653.5342382853.

Subtracting 4521052765 from its reverse (5672501254), we obtain a square (1151448489 = 33933²).

The spelling of 4521052765 in words is "four billion, five hundred twenty-one million, fifty-two thousand, seven hundred sixty-five".