8739565253 has 2 divisors, whose sum is σ = 8739565254. Its totient is φ = 8739565252.

The previous prime is 8739565243. The next prime is 8739565283. The reversal of 8739565253 is 3525659378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7996294084 + 743271169 = 89422^2 + 27263^2 .

It is a cyclic number.

It is not a de Polignac number, because 8739565253 - 2⁶ = 8739565189 is a prime.

It is a super-2 number, since 2×8739565253² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8739565195 and 8739565204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8739565243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4369782626 + 4369782627.

It is an arithmetic number, because the mean of its divisors is an integer number (4369782627).

Almost surely, 2^8739565253 is an apocalyptic number.

It is an amenable number.

8739565253 is a deficient number, since it is larger than the sum of its proper divisors (1).

8739565253 is an equidigital number, since it uses as much as digits as its factorization.

8739565253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804000, while the sum is 53.

The square root of 8739565253 is about 93485.6419617473. The cubic root of 8739565253 is about 2059.8231894152.

The spelling of 8739565253 in words is "eight billion, seven hundred thirty-nine million, five hundred sixty-five thousand, two hundred fifty-three".