445001265253 has 2 divisors, whose sum is σ = 445001265254. Its totient is φ = 445001265252.

The previous prime is 445001265227. The next prime is 445001265283. The reversal of 445001265253 is 352562100544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 332469866404 + 112531398849 = 576602^2 + 335457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445001265253 is a prime.

It is a super-2 number, since 2×445001265253² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445001265283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222500632626 + 222500632627.

It is an arithmetic number, because the mean of its divisors is an integer number (222500632627).

Almost surely, 2^445001265253 is an apocalyptic number.

It is an amenable number.

445001265253 is a deficient number, since it is larger than the sum of its proper divisors (1).

445001265253 is an equidigital number, since it uses as much as digits as its factorization.

445001265253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 445001265253 its reverse (352562100544), we get a palindrome (797563365797).

The spelling of 445001265253 in words is "four hundred forty-five billion, one million, two hundred sixty-five thousand, two hundred fifty-three".