541621253 has 4 divisors (see below), whose sum is σ = 541901100. Its totient is φ = 541341408.

The previous prime is 541621211. The next prime is 541621259. The reversal of 541621253 is 352126145.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 396129409 + 145491844 = 19903^2 + 12062^2 .

It is a cyclic number.

It is not a de Polignac number, because 541621253 - 2⁶ = 541621189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541621259) 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, 137000 + ... + 140897.

It is an arithmetic number, because the mean of its divisors is an integer number (135475275).

Almost surely, 2^541621253 is an apocalyptic number.

It is an amenable number.

541621253 is a deficient number, since it is larger than the sum of its proper divisors (279847).

541621253 is a wasteful number, since it uses less digits than its factorization.

541621253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279846.

The product of its digits is 7200, while the sum is 29.

The square root of 541621253 is about 23272.7577437656. The cubic root of 541621253 is about 815.1394258811.

Adding to 541621253 its reverse (352126145), we get a palindrome (893747398).

The spelling of 541621253 in words is "five hundred forty-one million, six hundred twenty-one thousand, two hundred fifty-three".