3240542 has 4 divisors (see below), whose sum is σ = 4860816. Its totient is φ = 1620270.

The previous prime is 3240529. The next prime is 3240551. The reversal of 3240542 is 2450423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2450423 = 71 ⋅34513.

It is a super-2 number, since 2×3240542² = 21002224907528, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 810134 + ... + 810137.

It is an arithmetic number, because the mean of its divisors is an integer number (1215204).

Almost surely, 2^3240542 is an apocalyptic number.

3240542 is a deficient number, since it is larger than the sum of its proper divisors (1620274).

3240542 is a wasteful number, since it uses less digits than its factorization.

3240542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620273.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 3240542 is about 1800.1505492597. The cubic root of 3240542 is about 147.9809751538.

Adding to 3240542 its reverse (2450423), we get a palindrome (5690965).

The spelling of 3240542 in words is "three million, two hundred forty thousand, five hundred forty-two".