3151489 has 4 divisors (see below), whose sum is σ = 3438000. Its totient is φ = 2864980.

The previous prime is 3151487. The next prime is 3151493. The reversal of 3151489 is 9841513.

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.

It is a cyclic number.

It is not a de Polignac number, because 3151489 - 2¹ = 3151487 is a prime.

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 3151489.

It is not an unprimeable number, because it can be changed into a prime (3151481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143239 + ... + 143260.

It is an arithmetic number, because the mean of its divisors is an integer number (859500).

Almost surely, 2^3151489 is an apocalyptic number.

It is an amenable number.

3151489 is a deficient number, since it is larger than the sum of its proper divisors (286511).

3151489 is a wasteful number, since it uses less digits than its factorization.

3151489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286510.

The product of its digits is 4320, while the sum is 31.

The square root of 3151489 is about 1775.2433635984. The cubic root of 3151489 is about 146.6128148255.

The spelling of 3151489 in words is "three million, one hundred fifty-one thousand, four hundred eighty-nine".