32523013 has 4 divisors (see below), whose sum is σ = 33215040. Its totient is φ = 31830988.

The previous prime is 32523011. The next prime is 32523019. The reversal of 32523013 is 31032523.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31032523 = 29 ⋅1070087.

It is a cyclic number.

It is not a de Polignac number, because 32523013 - 2¹ = 32523011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32523011) 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, 345943 + ... + 346036.

It is an arithmetic number, because the mean of its divisors is an integer number (8303760).

Almost surely, 2^32523013 is an apocalyptic number.

It is an amenable number.

32523013 is a deficient number, since it is larger than the sum of its proper divisors (692027).

32523013 is an equidigital number, since it uses as much as digits as its factorization.

32523013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692026.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 32523013 is about 5702.8951419433. The cubic root of 32523013 is about 319.2005205413.

Adding to 32523013 its reverse (31032523), we get a palindrome (63555536).

The spelling of 32523013 in words is "thirty-two million, five hundred twenty-three thousand, thirteen".