1352531 has 4 divisors (see below), whose sum is σ = 1399200. Its totient is φ = 1305864.

The previous prime is 1352521. The next prime is 1352543.

1352531 is nontrivially palindromic in base 10.

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 1352531 - 2¹⁸ = 1090387 is a prime.

It is a super-2 number, since 2×1352531² = 3658680211922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1352521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23291 + ... + 23348.

It is an arithmetic number, because the mean of its divisors is an integer number (349800).

2^1352531 is an apocalyptic number.

1352531 is a deficient number, since it is larger than the sum of its proper divisors (46669).

1352531 is an equidigital number, since it uses as much as digits as its factorization.

1352531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46668.

The product of its digits is 450, while the sum is 20.

The square root of 1352531 is about 1162.9836628259. The cubic root of 1352531 is about 110.5899706087.

The spelling of 1352531 in words is "one million, three hundred fifty-two thousand, five hundred thirty-one".