3142957 has 4 divisors (see below), whose sum is σ = 3187296. Its totient is φ = 3098620.

The previous prime is 3142949. The next prime is 3142963. The reversal of 3142957 is 7592413.

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: 7592413 = 211 ⋅35983.

It is a cyclic number.

It is not a de Polignac number, because 3142957 - 2³ = 3142949 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3142907) 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, 22063 + ... + 22204.

It is an arithmetic number, because the mean of its divisors is an integer number (796824).

Almost surely, 2^3142957 is an apocalyptic number.

It is an amenable number.

3142957 is a deficient number, since it is larger than the sum of its proper divisors (44339).

3142957 is an equidigital number, since it uses as much as digits as its factorization.

3142957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44338.

The product of its digits is 7560, while the sum is 31.

The square root of 3142957 is about 1772.8386841447. The cubic root of 3142957 is about 146.4803873616.

The spelling of 3142957 in words is "three million, one hundred forty-two thousand, nine hundred fifty-seven".