5263451320 has 16 divisors (see below), whose sum is σ = 11842765560. Its totient is φ = 2105380512.

The previous prime is 5263451287. The next prime is 5263451321. The reversal of 5263451320 is 231543625.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5263451321) 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, 65793102 + ... + 65793181.

Almost surely, 2^5263451320 is an apocalyptic number.

It is an amenable number.

5263451320 is an abundant number, since it is smaller than the sum of its proper divisors (6579314240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5263451320 is a wasteful number, since it uses less digits than its factorization.

5263451320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131586294 (or 131586290 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 5263451320 is about 72549.6472768821. The cubic root of 5263451320 is about 1739.4964103936.

Adding to 5263451320 its reverse (231543625), we get a palindrome (5494994945).

The spelling of 5263451320 in words is "five billion, two hundred sixty-three million, four hundred fifty-one thousand, three hundred twenty".