2538530 has 8 divisors (see below), whose sum is σ = 4569372. Its totient is φ = 1015408.

The previous prime is 2538527. The next prime is 2538577. The reversal of 2538530 is 358352.

It can be written as a sum of positive squares in 2 ways, for example, as 2399401 + 139129 = 1549^2 + 373^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2538530.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126917 + ... + 126936.

2^2538530 is an apocalyptic number.

2538530 is a deficient number, since it is larger than the sum of its proper divisors (2030842).

2538530 is a wasteful number, since it uses less digits than its factorization.

2538530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253860.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2538530 is about 1593.2764982890. The cubic root of 2538530 is about 136.4145726211.

The spelling of 2538530 in words is "two million, five hundred thirty-eight thousand, five hundred thirty".