1372533 has 4 divisors (see below), whose sum is σ = 1830048. Its totient is φ = 915020.

The previous prime is 1372531. The next prime is 1372537. The reversal of 1372533 is 3352731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1372533 - 2¹ = 1372531 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372531) 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, 228753 + ... + 228758.

It is an arithmetic number, because the mean of its divisors is an integer number (457512).

2^1372533 is an apocalyptic number.

It is an amenable number.

1372533 is a deficient number, since it is larger than the sum of its proper divisors (457515).

1372533 is an equidigital number, since it uses as much as digits as its factorization.

1372533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457514.

The product of its digits is 1890, while the sum is 24.

The square root of 1372533 is about 1171.5515353581. The cubic root of 1372533 is about 111.1324609715.

The spelling of 1372533 in words is "one million, three hundred seventy-two thousand, five hundred thirty-three".