3142249 has 6 divisors (see below), whose sum is σ = 3454010. Its totient is φ = 2856480.

The previous prime is 3142231. The next prime is 3142259. The reversal of 3142249 is 9422413.

It can be written as a sum of positive squares in only one way, i.e., 2205225 + 937024 = 1485^2 + 968^2 .

It is not a de Polignac number, because 3142249 - 2¹³ = 3134057 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3142219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12864 + ... + 13105.

Almost surely, 2^3142249 is an apocalyptic number.

It is an amenable number.

3142249 is a deficient number, since it is larger than the sum of its proper divisors (311761).

3142249 is a wasteful number, since it uses less digits than its factorization.

3142249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25991 (or 25980 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 3142249 is about 1772.6389931399. The cubic root of 3142249 is about 146.4693875396.

The spelling of 3142249 in words is "three million, one hundred forty-two thousand, two hundred forty-nine".