5451232013 has 2 divisors, whose sum is σ = 5451232014. Its totient is φ = 5451232012.

The previous prime is 5451232009. The next prime is 5451232063. The reversal of 5451232013 is 3102321545.

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., 3938566564 + 1512665449 = 62758^2 + 38893^2 .

It is a cyclic number.

It is not a de Polignac number, because 5451232013 - 2² = 5451232009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5451232063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2725616006 + 2725616007.

It is an arithmetic number, because the mean of its divisors is an integer number (2725616007).

Almost surely, 2^5451232013 is an apocalyptic number.

It is an amenable number.

5451232013 is a deficient number, since it is larger than the sum of its proper divisors (1).

5451232013 is an equidigital number, since it uses as much as digits as its factorization.

5451232013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 5451232013 is about 73832.4590745832. The cubic root of 5451232013 is about 1759.9414595069.

Adding to 5451232013 its reverse (3102321545), we get a palindrome (8553553558).

The spelling of 5451232013 in words is "five billion, four hundred fifty-one million, two hundred thirty-two thousand, thirteen".