3575381 has 4 divisors (see below), whose sum is σ = 3698700. Its totient is φ = 3452064.

The previous prime is 3575371. The next prime is 3575413. The reversal of 3575381 is 1835753.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1144900 + 2430481 = 1070^2 + 1559^2 .

It is a cyclic number.

It is not a de Polignac number, because 3575381 - 2⁶ = 3575317 is a prime.

It is a super-2 number, since 2×3575381² = 25566698590322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3575371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61616 + ... + 61673.

It is an arithmetic number, because the mean of its divisors is an integer number (924675).

Almost surely, 2^3575381 is an apocalyptic number.

It is an amenable number.

3575381 is a deficient number, since it is larger than the sum of its proper divisors (123319).

3575381 is a wasteful number, since it uses less digits than its factorization.

3575381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123318.

The product of its digits is 12600, while the sum is 32.

The square root of 3575381 is about 1890.8677901958. The cubic root of 3575381 is about 152.9117208995.

It can be divided in two parts, 3575 and 381, that multiplied together give a triangular number (1362075 = T₁₆₅₀).

The spelling of 3575381 in words is "three million, five hundred seventy-five thousand, three hundred eighty-one".