3215442541 has 4 divisors (see below), whose sum is σ = 3326319900. Its totient is φ = 3104565184.

The previous prime is 3215442539. The next prime is 3215442551. The reversal of 3215442541 is 1452445123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1452445123 = 6271 ⋅231613.

It can be written as a sum of positive squares in 2 ways, for example, as 752404900 + 2463037641 = 27430^2 + 49629^2 .

It is a cyclic number.

It is not a de Polignac number, because 3215442541 - 2¹ = 3215442539 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 (3215442511) 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, 55438636 + ... + 55438693.

It is an arithmetic number, because the mean of its divisors is an integer number (831579975).

Almost surely, 2^3215442541 is an apocalyptic number.

It is an amenable number.

3215442541 is a deficient number, since it is larger than the sum of its proper divisors (110877359).

3215442541 is a wasteful number, since it uses less digits than its factorization.

3215442541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110877358.

The product of its digits is 19200, while the sum is 31.

The square root of 3215442541 is about 56704.8722862507. The cubic root of 3215442541 is about 1475.9792468556.

Adding to 3215442541 its reverse (1452445123), we get a palindrome (4667887664).

The spelling of 3215442541 in words is "three billion, two hundred fifteen million, four hundred forty-two thousand, five hundred forty-one".