541245421 has 2 divisors, whose sum is σ = 541245422. Its totient is φ = 541245420.

The previous prime is 541245413. The next prime is 541245437. The reversal of 541245421 is 124542145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 514836100 + 26409321 = 22690^2 + 5139^2 .

It is a cyclic number.

It is not a de Polignac number, because 541245421 - 2³ = 541245413 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 541245421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541245451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270622710 + 270622711.

It is an arithmetic number, because the mean of its divisors is an integer number (270622711).

Almost surely, 2^541245421 is an apocalyptic number.

It is an amenable number.

541245421 is a deficient number, since it is larger than the sum of its proper divisors (1).

541245421 is an equidigital number, since it uses as much as digits as its factorization.

541245421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6400, while the sum is 28.

The square root of 541245421 is about 23264.6818374978. The cubic root of 541245421 is about 814.9508399971.

Adding to 541245421 its reverse (124542145), we get a palindrome (665787566).

The spelling of 541245421 in words is "five hundred forty-one million, two hundred forty-five thousand, four hundred twenty-one".