3251642 has 4 divisors (see below), whose sum is σ = 4877466. Its totient is φ = 1625820.

The previous prime is 3251609. The next prime is 3251653. The reversal of 3251642 is 2461523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2461523 = 1409 ⋅1747.

It can be written as a sum of positive squares in only one way, i.e., 1661521 + 1590121 = 1289^2 + 1261^2 .

It is an Ulam number.

It is an unprimeable number.

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, 812909 + ... + 812912.

Almost surely, 2^3251642 is an apocalyptic number.

3251642 is a deficient number, since it is larger than the sum of its proper divisors (1625824).

3251642 is a wasteful number, since it uses less digits than its factorization.

3251642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625823.

The product of its digits is 1440, while the sum is 23.

The square root of 3251642 is about 1803.2309890860. The cubic root of 3251642 is about 148.1497449566.

The spelling of 3251642 in words is "three million, two hundred fifty-one thousand, six hundred forty-two".