2520454509 has 16 divisors (see below), whose sum is σ = 3747306240. Its totient is φ = 1674318240.

The previous prime is 2520454507. The next prime is 2520454511. The reversal of 2520454509 is 9054540252.

It is an interprime number because it is at equal distance from previous prime (2520454507) and next prime (2520454511).

It is not a de Polignac number, because 2520454509 - 2¹ = 2520454507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520454507) 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 15 ways as a sum of consecutive naturals, for example, 158517 + ... + 173690.

It is an arithmetic number, because the mean of its divisors is an integer number (234206640).

Almost surely, 2^2520454509 is an apocalyptic number.

It is an amenable number.

2520454509 is a deficient number, since it is larger than the sum of its proper divisors (1226851731).

2520454509 is a wasteful number, since it uses less digits than its factorization.

2520454509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332497 (or 332491 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 2520454509 is about 50204.1284059389. The cubic root of 2520454509 is about 1360.9002310002.

The spelling of 2520454509 in words is "two billion, five hundred twenty million, four hundred fifty-four thousand, five hundred nine".