1275533 has 8 divisors (see below), whose sum is σ = 1489152. Its totient is φ = 1069776.

The previous prime is 1275523. The next prime is 1275539. The reversal of 1275533 is 3355721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1275533 - 2⁸ = 1275277 is a prime.

It is a super-3 number, since 3×1275533³ = 6225817008500533311, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1610 + ... + 2267.

It is an arithmetic number, because the mean of its divisors is an integer number (186144).

2^1275533 is an apocalyptic number.

It is an amenable number.

1275533 is a deficient number, since it is larger than the sum of its proper divisors (213619).

1275533 is an equidigital number, since it uses as much as digits as its factorization.

1275533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3931.

The product of its digits is 3150, while the sum is 26.

The square root of 1275533 is about 1129.3949707697. The cubic root of 1275533 is about 108.4502522050.

The spelling of 1275533 in words is "one million, two hundred seventy-five thousand, five hundred thirty-three".