52251265541 has 2 divisors, whose sum is σ = 52251265542. Its totient is φ = 52251265540.

The previous prime is 52251265537. The next prime is 52251265567. The reversal of 52251265541 is 14556215225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41069049025 + 11182216516 = 202655^2 + 105746^2 .

It is a cyclic number.

It is not a de Polignac number, because 52251265541 - 2² = 52251265537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52251265495 and 52251265504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52251265441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26125632770 + 26125632771.

It is an arithmetic number, because the mean of its divisors is an integer number (26125632771).

Almost surely, 2^52251265541 is an apocalyptic number.

It is an amenable number.

52251265541 is a deficient number, since it is larger than the sum of its proper divisors (1).

52251265541 is an equidigital number, since it uses as much as digits as its factorization.

52251265541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120000, while the sum is 38.

The spelling of 52251265541 in words is "fifty-two billion, two hundred fifty-one million, two hundred sixty-five thousand, five hundred forty-one".