3215541046 has 4 divisors (see below), whose sum is σ = 4823311572. Its totient is φ = 1607770522.

The previous prime is 3215541023. The next prime is 3215541047. The reversal of 3215541046 is 6401455123.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6401455123 = 7 ⋅914493589.

It is a junction number, because it is equal to n+sod(n) for n = 3215540999 and 3215541017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215541047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803885260 + ... + 803885263.

It is an arithmetic number, because the mean of its divisors is an integer number (1205827893).

Almost surely, 2^3215541046 is an apocalyptic number.

3215541046 is a deficient number, since it is larger than the sum of its proper divisors (1607770526).

3215541046 is a wasteful number, since it uses less digits than its factorization.

3215541046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607770525.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 3215541046 is about 56705.7408557546. The cubic root of 3215541046 is about 1475.9943188972.

Adding to 3215541046 its reverse (6401455123), we get a palindrome (9616996169).

The spelling of 3215541046 in words is "three billion, two hundred fifteen million, five hundred forty-one thousand, forty-six".