1905275 has 12 divisors (see below), whose sum is σ = 2502072. Its totient is φ = 1434240.

The previous prime is 1905269. The next prime is 1905283. The reversal of 1905275 is 5725091.

It is not a de Polignac number, because 1905275 - 2²⁰ = 856699 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1817 + ... + 2666.

It is an arithmetic number, because the mean of its divisors is an integer number (208506).

2^1905275 is an apocalyptic number.

1905275 is a deficient number, since it is larger than the sum of its proper divisors (596797).

1905275 is a wasteful number, since it uses less digits than its factorization.

1905275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510 (or 4505 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 1905275 is about 1380.3169925782. The cubic root of 1905275 is about 123.9707483897.

The spelling of 1905275 in words is "one million, nine hundred five thousand, two hundred seventy-five".