2520423471 has 4 divisors (see below), whose sum is σ = 3360564632. Its totient is φ = 1680282312.

The previous prime is 2520423469. The next prime is 2520423491. The reversal of 2520423471 is 1743240252.

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

It is not a de Polignac number, because 2520423471 - 2¹ = 2520423469 is a prime.

It is a super-3 number, since 3×2520423471³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520423491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420070576 + ... + 420070581.

It is an arithmetic number, because the mean of its divisors is an integer number (840141158).

Almost surely, 2^2520423471 is an apocalyptic number.

2520423471 is a deficient number, since it is larger than the sum of its proper divisors (840141161).

2520423471 is an equidigital number, since it uses as much as digits as its factorization.

2520423471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840141160.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 2520423471 is about 50203.8192869825. The cubic root of 2520423471 is about 1360.8946447333.

The spelling of 2520423471 in words is "two billion, five hundred twenty million, four hundred twenty-three thousand, four hundred seventy-one".