2130375 has 64 divisors (see below), whose sum is σ = 4193280. Its totient is φ = 950400.

The previous prime is 2130371. The next prime is 2130379. The reversal of 2130375 is 5730312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2130371) and next prime (2130379).

It is not a de Polignac number, because 2130375 - 2² = 2130371 is a prime.

2130375 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130371) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 92614 + ... + 92636.

It is an arithmetic number, because the mean of its divisors is an integer number (65520).

2^2130375 is an apocalyptic number.

2130375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2130375 is a deficient number, since it is larger than the sum of its proper divisors (2062905).

2130375 is a wasteful number, since it uses less digits than its factorization.

2130375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 2130375 is about 1459.5804191616. The cubic root of 2130375 is about 128.6723854325.

Adding to 2130375 its reverse (5730312), we get a palindrome (7860687).

The spelling of 2130375 in words is "two million, one hundred thirty thousand, three hundred seventy-five".