5451253999 has 2 divisors, whose sum is σ = 5451254000. Its totient is φ = 5451253998.

The previous prime is 5451253987. The next prime is 5451254041. The reversal of 5451253999 is 9993521545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5451253999 - 2⁵ = 5451253967 is a prime.

It is a super-2 number, since 2×5451253999² = 59432340323226984002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5451253979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2725626999 + 2725627000.

It is an arithmetic number, because the mean of its divisors is an integer number (2725627000).

Almost surely, 2^5451253999 is an apocalyptic number.

5451253999 is a deficient number, since it is larger than the sum of its proper divisors (1).

5451253999 is an equidigital number, since it uses as much as digits as its factorization.

5451253999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2187000, while the sum is 52.

The square root of 5451253999 is about 73832.6079655866. The cubic root of 5451253999 is about 1759.9438255788.

The spelling of 5451253999 in words is "five billion, four hundred fifty-one million, two hundred fifty-three thousand, nine hundred ninety-nine".