253201102541 has 4 divisors (see below), whose sum is σ = 253420705692. Its totient is φ = 252981499392.

The previous prime is 253201102507. The next prime is 253201102543. The reversal of 253201102541 is 145201102352.

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 213786941641 + 39414160900 = 462371^2 + 198530^2 .

It is a cyclic number.

It is not a de Polignac number, because 253201102541 - 2²⁶ = 253133993677 is a prime.

It is a super-2 number, since 2×253201102541² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253201102541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253201102543) 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, 109799846 + ... + 109802151.

It is an arithmetic number, because the mean of its divisors is an integer number (63355176423).

Almost surely, 2^253201102541 is an apocalyptic number.

It is an amenable number.

253201102541 is a deficient number, since it is larger than the sum of its proper divisors (219603151).

253201102541 is a wasteful number, since it uses less digits than its factorization.

253201102541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219603150.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 253201102541 its reverse (145201102352), we get a palindrome (398402204893).

The spelling of 253201102541 in words is "two hundred fifty-three billion, two hundred one million, one hundred two thousand, five hundred forty-one".