3432581 has 4 divisors (see below), whose sum is σ = 3440064. Its totient is φ = 3425100.

The previous prime is 3432577. The next prime is 3432613. The reversal of 3432581 is 1852343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1852343 = 31 ⋅59753.

It is a cyclic number.

It is not a de Polignac number, because 3432581 - 2² = 3432577 is a prime.

It is a super-2 number, since 2×3432581² = 23565224643122, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3432581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3432511) 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, 3005 + ... + 3986.

It is an arithmetic number, because the mean of its divisors is an integer number (860016).

Almost surely, 2^3432581 is an apocalyptic number.

It is an amenable number.

3432581 is a deficient number, since it is larger than the sum of its proper divisors (7483).

3432581 is an equidigital number, since it uses as much as digits as its factorization.

3432581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7482.

The product of its digits is 2880, while the sum is 26.

The square root of 3432581 is about 1852.7225912154. The cubic root of 3432581 is about 150.8482460014.

The spelling of 3432581 in words is "three million, four hundred thirty-two thousand, five hundred eighty-one".