541232261 has 2 divisors, whose sum is σ = 541232262. Its totient is φ = 541232260.

The previous prime is 541232117. The next prime is 541232269. The reversal of 541232261 is 162232145.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 308669761 + 232562500 = 17569^2 + 15250^2 .

It is a cyclic number.

It is not a de Polignac number, because 541232261 - 2¹⁰ = 541231237 is a prime.

It is a super-3 number, since 3×541232261³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 541232261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541232269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270616130 + 270616131.

It is an arithmetic number, because the mean of its divisors is an integer number (270616131).

Almost surely, 2^541232261 is an apocalyptic number.

It is an amenable number.

541232261 is a deficient number, since it is larger than the sum of its proper divisors (1).

541232261 is an equidigital number, since it uses as much as digits as its factorization.

541232261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 541232261 is about 23264.3990036278. The cubic root of 541232261 is about 814.9442349590.

It can be divided in two parts, 5412 and 32261, that added together give a palindrome (37673).

The spelling of 541232261 in words is "five hundred forty-one million, two hundred thirty-two thousand, two hundred sixty-one".