541521404 has 12 divisors (see below), whose sum is σ = 967825824. Its totient is φ = 264999744.

The previous prime is 541521397. The next prime is 541521469. The reversal of 541521404 is 404125145.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1440029 + ... + 1440404.

It is an arithmetic number, because the mean of its divisors is an integer number (80652152).

Almost surely, 2^541521404 is an apocalyptic number.

It is an amenable number.

541521404 is a deficient number, since it is larger than the sum of its proper divisors (426304420).

541521404 is a wasteful number, since it uses less digits than its factorization.

541521404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880484 (or 2880482 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 541521404 is about 23270.6124543382. The cubic root of 541521404 is about 815.0893319220.

Adding to 541521404 its reverse (404125145), we get a palindrome (945646549).

The spelling of 541521404 in words is "five hundred forty-one million, five hundred twenty-one thousand, four hundred four".