5375078521 has 2 divisors, whose sum is σ = 5375078522. Its totient is φ = 5375078520.

The previous prime is 5375078519. The next prime is 5375078537. The reversal of 5375078521 is 1258705735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5314410000 + 60668521 = 72900^2 + 7789^2 .

It is a cyclic number.

It is not a de Polignac number, because 5375078521 - 2¹ = 5375078519 is a prime.

Together with 5375078519, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5375078221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2687539260 + 2687539261.

It is an arithmetic number, because the mean of its divisors is an integer number (2687539261).

Almost surely, 2^5375078521 is an apocalyptic number.

It is an amenable number.

5375078521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5375078521 is an equidigital number, since it uses as much as digits as its factorization.

5375078521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294000, while the sum is 43.

The square root of 5375078521 is about 73314.9269998955. The cubic root of 5375078521 is about 1751.7075600842.

The spelling of 5375078521 in words is "five billion, three hundred seventy-five million, seventy-eight thousand, five hundred twenty-one".