541391421 has 16 divisors (see below), whose sum is σ = 727881984. Its totient is φ = 357923904.

The previous prime is 541391399. The next prime is 541391443. The reversal of 541391421 is 124193145.

It is an interprime number because it is at equal distance from previous prime (541391399) and next prime (541391443).

It is not a de Polignac number, because 541391421 - 2⁷ = 541391293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541398421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363340 + ... + 364826.

It is an arithmetic number, because the mean of its divisors is an integer number (45492624).

Almost surely, 2^541391421 is an apocalyptic number.

It is an amenable number.

541391421 is a deficient number, since it is larger than the sum of its proper divisors (186490563).

541391421 is a wasteful number, since it uses less digits than its factorization.

541391421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420.

The product of its digits is 4320, while the sum is 30.

The square root of 541391421 is about 23267.8194294180. The cubic root of 541391421 is about 815.0241105944.

The spelling of 541391421 in words is "five hundred forty-one million, three hundred ninety-one thousand, four hundred twenty-one".