1532971 has 4 divisors (see below), whose sum is σ = 1672344. Its totient is φ = 1393600.

The previous prime is 1532963. The next prime is 1532983. The reversal of 1532971 is 1792351.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1532971 - 2³ = 1532963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1532371) 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, 69670 + ... + 69691.

It is an arithmetic number, because the mean of its divisors is an integer number (418086).

2^1532971 is an apocalyptic number.

1532971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1532971 is a deficient number, since it is larger than the sum of its proper divisors (139373).

1532971 is a wasteful number, since it uses less digits than its factorization.

1532971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139372.

The product of its digits is 1890, while the sum is 28.

The square root of 1532971 is about 1238.1320608077. The cubic root of 1532971 is about 115.3040724177.

It can be divided in two parts, 15329 and 71, that added together give a triangular number (15400 = T₁₇₅).

The spelling of 1532971 in words is "one million, five hundred thirty-two thousand, nine hundred seventy-one".