5234537641 has 2 divisors, whose sum is σ = 5234537642. Its totient is φ = 5234537640.

The previous prime is 5234537621. The next prime is 5234537689. The reversal of 5234537641 is 1467354325.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4516512025 + 718025616 = 67205^2 + 26796^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5234537641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5234537594 and 5234537603.

It is not a weakly prime, because it can be changed into another prime (5234537621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2617268820 + 2617268821.

It is an arithmetic number, because the mean of its divisors is an integer number (2617268821).

Almost surely, 2^5234537641 is an apocalyptic number.

It is an amenable number.

5234537641 is a deficient number, since it is larger than the sum of its proper divisors (1).

5234537641 is an equidigital number, since it uses as much as digits as its factorization.

5234537641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 40.

The square root of 5234537641 is about 72350.1046371047. The cubic root of 5234537641 is about 1736.3053724633.

The spelling of 5234537641 in words is "five billion, two hundred thirty-four million, five hundred thirty-seven thousand, six hundred forty-one".