2520785423 has 8 divisors (see below), whose sum is σ = 2857570800. Its totient is φ = 2204411328.

The previous prime is 2520785387. The next prime is 2520785489. The reversal of 2520785423 is 3245870252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2520785423 - 2¹² = 2520781327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520781423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5102558 + ... + 5103051.

It is an arithmetic number, because the mean of its divisors is an integer number (357196350).

Almost surely, 2^2520785423 is an apocalyptic number.

2520785423 is a deficient number, since it is larger than the sum of its proper divisors (336785377).

2520785423 is a wasteful number, since it uses less digits than its factorization.

2520785423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10205641.

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 2520785423 is about 50207.4239829131. The cubic root of 2520785423 is about 1360.9597865592.

The spelling of 2520785423 in words is "two billion, five hundred twenty million, seven hundred eighty-five thousand, four hundred twenty-three".