3252721263 has 16 divisors (see below), whose sum is σ = 4734394752. Its totient is φ = 1970028000.

The previous prime is 3252721259. The next prime is 3252721313. The reversal of 3252721263 is 3621272523.

3252721263 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3252721263 - 2² = 3252721259 is a prime.

It is a super-2 number, since 2×3252721263² = 21160391229544630338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3252721253) 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, 18333 + ... + 82713.

It is an arithmetic number, because the mean of its divisors is an integer number (295899672).

Almost surely, 2^3252721263 is an apocalyptic number.

3252721263 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3252721263 is a deficient number, since it is larger than the sum of its proper divisors (1481673489).

3252721263 is a wasteful number, since it uses less digits than its factorization.

3252721263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65926.

The product of its digits is 30240, while the sum is 33.

The square root of 3252721263 is about 57032.6333163742. The cubic root of 3252721263 is about 1481.6613409690.

Adding to 3252721263 its reverse (3621272523), we get a palindrome (6873993786).

The spelling of 3252721263 in words is "three billion, two hundred fifty-two million, seven hundred twenty-one thousand, two hundred sixty-three".