3501242 has 4 divisors (see below), whose sum is σ = 5251866. Its totient is φ = 1750620.

The previous prime is 3501229. The next prime is 3501247. The reversal of 3501242 is 2421053.

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

It can be written as a sum of positive squares in only one way, i.e., 2157961 + 1343281 = 1469^2 + 1159^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3501242.

It is not an unprimeable number, because it can be changed into a prime (3501247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 875309 + ... + 875312.

Almost surely, 2^3501242 is an apocalyptic number.

3501242 is a deficient number, since it is larger than the sum of its proper divisors (1750624).

3501242 is a wasteful number, since it uses less digits than its factorization.

3501242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750623.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 3501242 is about 1871.1606024070. The cubic root of 3501242 is about 151.8474057247.

Adding to 3501242 its reverse (2421053), we get a palindrome (5922295).

The spelling of 3501242 in words is "three million, five hundred one thousand, two hundred forty-two".