32490213 has 16 divisors (see below), whose sum is σ = 52421760. Its totient is φ = 17473536.

The previous prime is 32490203. The next prime is 32490221. The reversal of 32490213 is 31209423.

It is not a de Polignac number, because 32490213 - 2⁹ = 32489701 is a prime.

It is a super-2 number, since 2×32490213² = 2111227881570738, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32490203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45148 + ... + 45861.

It is an arithmetic number, because the mean of its divisors is an integer number (3276360).

Almost surely, 2^32490213 is an apocalyptic number.

It is an amenable number.

32490213 is a deficient number, since it is larger than the sum of its proper divisors (19931547).

32490213 is a wasteful number, since it uses less digits than its factorization.

32490213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91036.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 32490213 is about 5700.0186841799. The cubic root of 32490213 is about 319.0931781015.

Adding to 32490213 its reverse (31209423), we get a palindrome (63699636).

The spelling of 32490213 in words is "thirty-two million, four hundred ninety thousand, two hundred thirteen".