541402521 has 24 divisors (see below), whose sum is σ = 801370752. Its totient is φ = 324852000.

The previous prime is 541402517. The next prime is 541402567. The reversal of 541402521 is 125204145.

It is not a de Polignac number, because 541402521 - 2² = 541402517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 541402491 and 541402500.

It is not an unprimeable number, because it can be changed into a prime (541402021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29280 + ... + 44046.

It is an arithmetic number, because the mean of its divisors is an integer number (33390448).

Almost surely, 2^541402521 is an apocalyptic number.

It is an amenable number.

541402521 is a deficient number, since it is larger than the sum of its proper divisors (259968231).

541402521 is a wasteful number, since it uses less digits than its factorization.

541402521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14893 (or 14882 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 541402521 is about 23268.0579550593. The cubic root of 541402521 is about 815.0296806283.

Adding to 541402521 its reverse (125204145), we get a palindrome (666606666).

The spelling of 541402521 in words is "five hundred forty-one million, four hundred two thousand, five hundred twenty-one".