2520040535 has 4 divisors (see below), whose sum is σ = 3024048648. Its totient is φ = 2016032424.

The previous prime is 2520040529. The next prime is 2520040541. The reversal of 2520040535 is 5350400252.

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

It is an interprime number because it is at equal distance from previous prime (2520040529) and next prime (2520040541).

It is a cyclic number.

It is not a de Polignac number, because 2520040535 - 2⁸ = 2520040279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252004049 + ... + 252004058.

It is an arithmetic number, because the mean of its divisors is an integer number (756012162).

Almost surely, 2^2520040535 is an apocalyptic number.

2520040535 is a deficient number, since it is larger than the sum of its proper divisors (504008113).

2520040535 is an equidigital number, since it uses as much as digits as its factorization.

2520040535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504008112.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 2520040535 is about 50200.0053286850. The cubic root of 2520040535 is about 1360.8257195503.

Adding to 2520040535 its reverse (5350400252), we get a palindrome (7870440787).

The spelling of 2520040535 in words is "two billion, five hundred twenty million, forty thousand, five hundred thirty-five".