2520087028 has 6 divisors (see below), whose sum is σ = 4410152306. Its totient is φ = 1260043512.

The previous prime is 2520087007. The next prime is 2520087029. The reversal of 2520087028 is 8207800252.

It can be written as a sum of positive squares in only one way, i.e., 2478844944 + 41242084 = 49788^2 + 6422^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2520086984 and 2520087002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520087029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315010875 + ... + 315010882.

Almost surely, 2^2520087028 is an apocalyptic number.

It is an amenable number.

2520087028 is a deficient number, since it is larger than the sum of its proper divisors (1890065278).

2520087028 is a wasteful number, since it uses less digits than its factorization.

2520087028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630021761 (or 630021759 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 2520087028 is about 50200.4684041892. The cubic root of 2520087028 is about 1360.8340882624.

The spelling of 2520087028 in words is "two billion, five hundred twenty million, eighty-seven thousand, twenty-eight".