2520241655 has 4 divisors (see below), whose sum is σ = 3024289992. Its totient is φ = 2016193320.

The previous prime is 2520241601. The next prime is 2520241663. The reversal of 2520241655 is 5561420252.

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

It is a de Polignac number, because none of the positive numbers 2^k-2520241655 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, 252024161 + ... + 252024170.

It is an arithmetic number, because the mean of its divisors is an integer number (756072498).

Almost surely, 2^2520241655 is an apocalyptic number.

2520241655 is a deficient number, since it is larger than the sum of its proper divisors (504048337).

2520241655 is an equidigital number, since it uses as much as digits as its factorization.

2520241655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504048336.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 2520241655 is about 50202.0084757572. The cubic root of 2520241655 is about 1360.8619202892.

The spelling of 2520241655 in words is "two billion, five hundred twenty million, two hundred forty-one thousand, six hundred fifty-five".