2135475 has 18 divisors (see below), whose sum is σ = 3825276. Its totient is φ = 1138800.

The previous prime is 2135453. The next prime is 2135479. The reversal of 2135475 is 5745312.

It is a happy number.

It is not a de Polignac number, because 2135475 - 2⁶ = 2135411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2135479) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4521 + ... + 4970.

2^2135475 is an apocalyptic number.

2135475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2135475 is a deficient number, since it is larger than the sum of its proper divisors (1689801).

2135475 is a wasteful number, since it uses less digits than its factorization.

2135475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9507 (or 9499 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 2135475 is about 1461.3264522344. The cubic root of 2135475 is about 128.7749817989.

The spelling of 2135475 in words is "two million, one hundred thirty-five thousand, four hundred seventy-five".