2071520427 has 4 divisors (see below), whose sum is σ = 2762027240. Its totient is φ = 1381013616.

The previous prime is 2071520417. The next prime is 2071520513. The reversal of 2071520427 is 7240251702.

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

It is not a de Polignac number, because 2071520427 - 2¹² = 2071516331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2071520394 and 2071520403.

It is not an unprimeable number, because it can be changed into a prime (2071520417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345253402 + ... + 345253407.

It is an arithmetic number, because the mean of its divisors is an integer number (690506810).

Almost surely, 2^2071520427 is an apocalyptic number.

2071520427 is a deficient number, since it is larger than the sum of its proper divisors (690506813).

2071520427 is an equidigital number, since it uses as much as digits as its factorization.

2071520427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690506812.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 2071520427 is about 45513.9585951387. The cubic root of 2071520427 is about 1274.7638526125.

The spelling of 2071520427 in words is "two billion, seventy-one million, five hundred twenty thousand, four hundred twenty-seven".