2500000530 has 16 divisors (see below), whose sum is σ = 6000001344. Its totient is φ = 666666800.

The previous prime is 2500000511. The next prime is 2500000553. The reversal of 2500000530 is 350000052.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41666646 + ... + 41666705.

It is an arithmetic number, because the mean of its divisors is an integer number (375000084).

Almost surely, 2^2500000530 is an apocalyptic number.

2500000530 is an abundant number, since it is smaller than the sum of its proper divisors (3500000814).

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

2500000530 is a wasteful number, since it uses less digits than its factorization.

2500000530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83333361.

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 2500000530 is about 50000.0052999997. The cubic root of 2500000530 is about 1357.2089042069.

Adding to 2500000530 its reverse (350000052), we get a palindrome (2850000582).

The spelling of 2500000530 in words is "two billion, five hundred million, five hundred thirty", and thus it is an aban number.