541552421 has 4 divisors (see below), whose sum is σ = 570055200. Its totient is φ = 513049644.

The previous prime is 541552337. The next prime is 541552433. The reversal of 541552421 is 124255145.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 541552421 - 2¹⁰ = 541551397 is a prime.

It is a super-2 number, since 2×541552421² = 586558049381922482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541552481) 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, 14251361 + ... + 14251398.

It is an arithmetic number, because the mean of its divisors is an integer number (142513800).

Almost surely, 2^541552421 is an apocalyptic number.

It is an amenable number.

541552421 is a deficient number, since it is larger than the sum of its proper divisors (28502779).

541552421 is a wasteful number, since it uses less digits than its factorization.

541552421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28502778.

The product of its digits is 8000, while the sum is 29.

The square root of 541552421 is about 23271.2788862151. The cubic root of 541552421 is about 815.1048937219.

The spelling of 541552421 in words is "five hundred forty-one million, five hundred fifty-two thousand, four hundred twenty-one".