213032641 has 4 divisors (see below), whose sum is σ = 213234112. Its totient is φ = 212831172.

The previous prime is 213032629. The next prime is 213032653. The reversal of 213032641 is 146230312.

213032641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (213032629) and next prime (213032653).

It is a cyclic number.

It is not a de Polignac number, because 213032641 - 2¹¹ = 213030593 is a prime.

It is a super-2 number, since 2×213032641² = 90765812262869762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213036641) 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, 99141 + ... + 101266.

It is an arithmetic number, because the mean of its divisors is an integer number (53308528).

Almost surely, 2^213032641 is an apocalyptic number.

It is an amenable number.

213032641 is a deficient number, since it is larger than the sum of its proper divisors (201471).

213032641 is a wasteful number, since it uses less digits than its factorization.

213032641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201470.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 213032641 is about 14595.6377387218. The cubic root of 213032641 is about 597.2397666960.

Adding to 213032641 its reverse (146230312), we get a palindrome (359262953).

The spelling of 213032641 in words is "two hundred thirteen million, thirty-two thousand, six hundred forty-one".