1532397 has 8 divisors (see below), whose sum is σ = 2163456. Its totient is φ = 961472.

The previous prime is 1532371. The next prime is 1532413. The reversal of 1532397 is 7932351.

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 1532397 - 2¹⁰ = 1531373 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1532327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14973 + ... + 15074.

It is an arithmetic number, because the mean of its divisors is an integer number (270432).

2^1532397 is an apocalyptic number.

1532397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1532397 is a deficient number, since it is larger than the sum of its proper divisors (631059).

1532397 is a wasteful number, since it uses less digits than its factorization.

1532397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30067.

The product of its digits is 5670, while the sum is 30.

The square root of 1532397 is about 1237.9002383068. The cubic root of 1532397 is about 115.2896792775.

The spelling of 1532397 in words is "one million, five hundred thirty-two thousand, three hundred ninety-seven".