2502138530 has 16 divisors (see below), whose sum is σ = 4599676800. Its totient is φ = 979560432.

The previous prime is 2502138511. The next prime is 2502138601. The reversal of 2502138530 is 358312052.

It is a junction number, because it is equal to n+sod(n) for n = 2502138493 and 2502138502.

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, 2661380 + ... + 2662319.

It is an arithmetic number, because the mean of its divisors is an integer number (287479800).

Almost surely, 2^2502138530 is an apocalyptic number.

2502138530 is a deficient number, since it is larger than the sum of its proper divisors (2097538270).

2502138530 is a wasteful number, since it uses less digits than its factorization.

2502138530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5323753.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2502138530 is about 50021.3807286444. The cubic root of 2502138530 is about 1357.5956889047.

The spelling of 2502138530 in words is "two billion, five hundred two million, one hundred thirty-eight thousand, five hundred thirty".