3152661 has 4 divisors (see below), whose sum is σ = 4203552. Its totient is φ = 2101772.

The previous prime is 3152657. The next prime is 3152671. The reversal of 3152661 is 1662513.

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: 1662513 = 3 ⋅554171.

It is a cyclic number.

It is not a de Polignac number, because 3152661 - 2² = 3152657 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3152621) 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, 525441 + ... + 525446.

It is an arithmetic number, because the mean of its divisors is an integer number (1050888).

Almost surely, 2^3152661 is an apocalyptic number.

It is an amenable number.

3152661 is a deficient number, since it is larger than the sum of its proper divisors (1050891).

3152661 is a wasteful number, since it uses less digits than its factorization.

3152661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050890.

The product of its digits is 1080, while the sum is 24.

The square root of 3152661 is about 1775.5734285013. The cubic root of 3152661 is about 146.6309870739.

The spelling of 3152661 in words is "three million, one hundred fifty-two thousand, six hundred sixty-one".