5251061363 has 4 divisors (see below), whose sum is σ = 5256155568. Its totient is φ = 5245967160.

The previous prime is 5251061351. The next prime is 5251061399. The reversal of 5251061363 is 3631601525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5251061363 - 2⁸ = 5251061107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5251061063) 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, 2545556 + ... + 2547617.

It is an arithmetic number, because the mean of its divisors is an integer number (1314038892).

Almost surely, 2^5251061363 is an apocalyptic number.

5251061363 is a deficient number, since it is larger than the sum of its proper divisors (5094205).

5251061363 is a wasteful number, since it uses less digits than its factorization.

5251061363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5094204.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 5251061363 is about 72464.2074613391. The cubic root of 5251061363 is about 1738.1304360140.

Adding to 5251061363 its reverse (3631601525), we get a palindrome (8882662888).

The spelling of 5251061363 in words is "five billion, two hundred fifty-one million, sixty-one thousand, three hundred sixty-three".