2520770287 has 4 divisors (see below), whose sum is σ = 2880880336. Its totient is φ = 2160660240.

The previous prime is 2520770281. The next prime is 2520770303. The reversal of 2520770287 is 7820770252.

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

It is a cyclic number.

It is not a de Polignac number, because 2520770287 - 2¹⁵ = 2520737519 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 (2520770281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180055014 + ... + 180055027.

It is an arithmetic number, because the mean of its divisors is an integer number (720220084).

Almost surely, 2^2520770287 is an apocalyptic number.

2520770287 is a deficient number, since it is larger than the sum of its proper divisors (360110049).

2520770287 is an equidigital number, since it uses as much as digits as its factorization.

2520770287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360110048.

The product of its (nonzero) digits is 109760, while the sum is 40.

The square root of 2520770287 is about 50207.2732480066. The cubic root of 2520770287 is about 1360.9570626028.

The spelling of 2520770287 in words is "two billion, five hundred twenty million, seven hundred seventy thousand, two hundred eighty-seven".