5211576145 has 4 divisors (see below), whose sum is σ = 6253891380. Its totient is φ = 4169260912.

The previous prime is 5211576137. The next prime is 5211576157. The reversal of 5211576145 is 5416751125.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1134881344 + 4076694801 = 33688^2 + 63849^2 .

It is a cyclic number.

It is not a de Polignac number, because 5211576145 - 2³ = 5211576137 is a prime.

It is a super-2 number, since 2×5211576145² = 54321051830266122050, which contains 22 as substring.

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, 521157610 + ... + 521157619.

It is an arithmetic number, because the mean of its divisors is an integer number (1563472845).

Almost surely, 2^5211576145 is an apocalyptic number.

It is an amenable number.

5211576145 is a deficient number, since it is larger than the sum of its proper divisors (1042315235).

5211576145 is a wasteful number, since it uses less digits than its factorization.

5211576145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042315234.

The product of its digits is 42000, while the sum is 37.

The square root of 5211576145 is about 72191.2470109777. The cubic root of 5211576145 is about 1733.7628616446.

The spelling of 5211576145 in words is "five billion, two hundred eleven million, five hundred seventy-six thousand, one hundred forty-five".