2535138 has 20 divisors (see below), whose sum is σ = 5680950. Its totient is φ = 844992.

The previous prime is 2535121. The next prime is 2535161. The reversal of 2535138 is 8315352.

It can be written as a sum of positive squares in only one way, i.e., 2424249 + 110889 = 1557^2 + 333^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7663 + ... + 7986.

2^2535138 is an apocalyptic number.

2535138 is an abundant number, since it is smaller than the sum of its proper divisors (3145812).

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

2535138 is a wasteful number, since it uses less digits than its factorization.

2535138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15663 (or 15654 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 2535138 is about 1592.2116693455. The cubic root of 2535138 is about 136.3537861976.

The spelling of 2535138 in words is "two million, five hundred thirty-five thousand, one hundred thirty-eight".