1295531 has 4 divisors (see below), whose sum is σ = 1313352. Its totient is φ = 1277712.

The previous prime is 1295513. The next prime is 1295533. The reversal of 1295531 is 1355921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1355921 = 7 ⋅193703.

It is a cyclic number.

It is not a de Polignac number, because 1295531 - 2¹⁸ = 1033387 is a prime.

It is a super-2 number, since 2×1295531² = 3356801143922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1295531.

It is not an unprimeable number, because it can be changed into a prime (1295533) 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 in 3 ways as a sum of consecutive naturals, for example, 8801 + ... + 8946.

It is an arithmetic number, because the mean of its divisors is an integer number (328338).

2^1295531 is an apocalyptic number.

1295531 is a deficient number, since it is larger than the sum of its proper divisors (17821).

1295531 is an equidigital number, since it uses as much as digits as its factorization.

1295531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17820.

The product of its digits is 1350, while the sum is 26.

The square root of 1295531 is about 1138.2139517683. The cubic root of 1295531 is about 109.0140822924.

The spelling of 1295531 in words is "one million, two hundred ninety-five thousand, five hundred thirty-one".