2495138 has 4 divisors (see below), whose sum is σ = 3742710. Its totient is φ = 1247568.

The previous prime is 2495123. The next prime is 2495149. The reversal of 2495138 is 8315942.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1481089 + 1014049 = 1217^2 + 1007^2 .

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623783 + ... + 623786.

2^2495138 is an apocalyptic number.

2495138 is a deficient number, since it is larger than the sum of its proper divisors (1247572).

2495138 is a wasteful number, since it uses less digits than its factorization.

2495138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247571.

The product of its digits is 8640, while the sum is 32.

The square root of 2495138 is about 1579.6005824258. The cubic root of 2495138 is about 135.6328404084.

The spelling of 2495138 in words is "two million, four hundred ninety-five thousand, one hundred thirty-eight".