3145951 has 4 divisors (see below), whose sum is σ = 3150000. Its totient is φ = 3141904.

The previous prime is 3145943. The next prime is 3145981. The reversal of 3145951 is 1595413.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1595413 = 907 ⋅1759.

It is a cyclic number.

It is not a de Polignac number, because 3145951 - 2³ = 3145943 is a prime.

It is a Duffinian number.

3145951 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145981) 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, 451 + ... + 2548.

It is an arithmetic number, because the mean of its divisors is an integer number (787500).

Almost surely, 2^3145951 is an apocalyptic number.

3145951 is a deficient number, since it is larger than the sum of its proper divisors (4049).

3145951 is a wasteful number, since it uses less digits than its factorization.

3145951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048.

The product of its digits is 2700, while the sum is 28.

The square root of 3145951 is about 1773.6828916128. The cubic root of 3145951 is about 146.5268853033.

It can be divided in two parts, 3145 and 951, that added together give a 12-th power (4096 = 2¹²).

The spelling of 3145951 in words is "three million, one hundred forty-five thousand, nine hundred fifty-one".