2152575 has 30 divisors (see below), whose sum is σ = 3991064. Its totient is φ = 1146960.

The previous prime is 2152571. The next prime is 2152589. The reversal of 2152575 is 5752512.

It is a happy number.

It is not a de Polignac number, because 2152575 - 2² = 2152571 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152571) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1494 + ... + 2556.

2^2152575 is an apocalyptic number.

2152575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2152575 is a deficient number, since it is larger than the sum of its proper divisors (1838489).

2152575 is a wasteful number, since it uses less digits than its factorization.

2152575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085 (or 1071 counting only the distinct ones).

The product of its digits is 3500, while the sum is 27.

The square root of 2152575 is about 1467.1656348211. The cubic root of 2152575 is about 129.1177939743.

The spelling of 2152575 in words is "two million, one hundred fifty-two thousand, five hundred seventy-five".