541221252 has 96 divisors (see below), whose sum is σ = 1492089984. Its totient is φ = 150528000.

The previous prime is 541221209. The next prime is 541221253. The reversal of 541221252 is 252122145.

It is not an unprimeable number, because it can be changed into a prime (541221253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337252 + ... + 338852.

It is an arithmetic number, because the mean of its divisors is an integer number (15542604).

Almost surely, 2^541221252 is an apocalyptic number.

541221252 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 541221252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (746044992).

541221252 is an abundant number, since it is smaller than the sum of its proper divisors (950868732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

541221252 is a wasteful number, since it uses less digits than its factorization.

541221252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829 (or 1827 counting only the distinct ones).

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

The square root of 541221252 is about 23264.1623962695. The cubic root of 541221252 is about 814.9387094310.

Adding to 541221252 its reverse (252122145), we get a palindrome (793343397).

The spelling of 541221252 in words is "five hundred forty-one million, two hundred twenty-one thousand, two hundred fifty-two".