3215275 has 24 divisors (see below), whose sum is σ = 4801280. Its totient is φ = 2086560.

The previous prime is 3215273. The next prime is 3215281. The reversal of 3215275 is 5725123.

3215275 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3215275 - 2¹ = 3215273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

3215275 is strictly pandigital in base 8.

3215275 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2842 + ... + 3808.

Almost surely, 2^3215275 is an apocalyptic number.

3215275 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3215275 is a deficient number, since it is larger than the sum of its proper divisors (1586005).

3215275 is a wasteful number, since it uses less digits than its factorization.

3215275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003 (or 998 counting only the distinct ones).

The product of its digits is 2100, while the sum is 25.

The square root of 3215275 is about 1793.1187913800. The cubic root of 3215275 is about 147.5953611055.

The spelling of 3215275 in words is "three million, two hundred fifteen thousand, two hundred seventy-five".