5451350215 has 4 divisors (see below), whose sum is σ = 6541620264. Its totient is φ = 4361080168.

The previous prime is 5451350171. The next prime is 5451350227. The reversal of 5451350215 is 5120531545.

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 5451350215 - 2²⁵ = 5417795783 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545135017 + ... + 545135026.

It is an arithmetic number, because the mean of its divisors is an integer number (1635405066).

Almost surely, 2^5451350215 is an apocalyptic number.

5451350215 is a deficient number, since it is larger than the sum of its proper divisors (1090270049).

5451350215 is a wasteful number, since it uses less digits than its factorization.

5451350215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090270048.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 5451350215 is about 73833.2595447336. The cubic root of 5451350215 is about 1759.9541800012.

The spelling of 5451350215 in words is "five billion, four hundred fifty-one million, three hundred fifty thousand, two hundred fifteen".