2520005634 has 32 divisors (see below), whose sum is σ = 5793120000. Its totient is φ = 811035792.

The previous prime is 2520005633. The next prime is 2520005641. The reversal of 2520005634 is 4365000252.

2520005634 is a `hidden beast` number, since 2 + 5 + 20 + 0 + 0 + 5 + 634 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2520005598 and 2520005607.

It is not an unprimeable number, because it can be changed into a prime (2520005633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 803034 + ... + 806165.

It is an arithmetic number, because the mean of its divisors is an integer number (181035000).

Almost surely, 2^2520005634 is an apocalyptic number.

2520005634 is an abundant number, since it is smaller than the sum of its proper divisors (3273114366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2520005634 is a wasteful number, since it uses less digits than its factorization.

2520005634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609239 (or 1609233 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2520005634 is about 50199.6577079964. The cubic root of 2520005634 is about 1360.8194373236.

Adding to 2520005634 its reverse (4365000252), we get a palindrome (6885005886).

The spelling of 2520005634 in words is "two billion, five hundred twenty million, five thousand, six hundred thirty-four".