5235512645 has 16 divisors (see below), whose sum is σ = 6863994432. Its totient is φ = 3801960960.

The previous prime is 5235512641. The next prime is 5235512657. The reversal of 5235512645 is 5462155325.

It is not a de Polignac number, because 5235512645 - 2² = 5235512641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5235512599 and 5235512608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5235512641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33707 + ... + 107736.

It is an arithmetic number, because the mean of its divisors is an integer number (428999652).

Almost surely, 2^5235512645 is an apocalyptic number.

5235512645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5235512645 is a deficient number, since it is larger than the sum of its proper divisors (1628481787).

5235512645 is a wasteful number, since it uses less digits than its factorization.

5235512645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142132.

The product of its digits is 180000, while the sum is 38.

The square root of 5235512645 is about 72356.8424200504. The cubic root of 5235512645 is about 1736.4131692865.

The spelling of 5235512645 in words is "five billion, two hundred thirty-five million, five hundred twelve thousand, six hundred forty-five".