625201613205041 has 4 divisors (see below), whose sum is σ = 625201663687284. Its totient is φ = 625201562722800.

The previous prime is 625201613204969. The next prime is 625201613205097. The reversal of 625201613205041 is 140502316102526.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 501536204160016 + 123665409045025 = 22395004^2 + 11120495^2 .

It is a cyclic number.

It is not a de Polignac number, because 625201613205041 - 2¹⁴ = 625201613188657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 625201613204986 and 625201613205004.

It is not an unprimeable number, because it can be changed into a prime (625201613255041) 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, 7443371 + ... + 36135951.

It is an arithmetic number, because the mean of its divisors is an integer number (156300415921821).

Almost surely, 2^{625201613205041} is an apocalyptic number.

It is an amenable number.

625201613205041 is a deficient number, since it is larger than the sum of its proper divisors (50482243).

625201613205041 is a wasteful number, since it uses less digits than its factorization.

625201613205041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50482242.

The product of its (nonzero) digits is 86400, while the sum is 38.

Adding to 625201613205041 its reverse (140502316102526), we get a palindrome (765703929307567).

The spelling of 625201613205041 in words is "six hundred twenty-five trillion, two hundred one billion, six hundred thirteen million, two hundred five thousand, forty-one".