1265353 has 2 divisors, whose sum is σ = 1265354. Its totient is φ = 1265352.

The previous prime is 1265347. The next prime is 1265377. The reversal of 1265353 is 3535621.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 937024 + 328329 = 968^2 + 573^2 .

It is a cyclic number.

It is not a de Polignac number, because 1265353 - 2⁵ = 1265321 is a prime.

It is a super-2 number, since 2×1265353² = 3202236429218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1265333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632676 + 632677.

It is an arithmetic number, because the mean of its divisors is an integer number (632677).

2^1265353 is an apocalyptic number.

It is an amenable number.

1265353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1265353 is an equidigital number, since it uses as much as digits as its factorization.

1265353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 25.

The square root of 1265353 is about 1124.8791046152. The cubic root of 1265353 is about 108.1609682424.

The spelling of 1265353 in words is "one million, two hundred sixty-five thousand, three hundred fifty-three".