3142457 has 2 divisors, whose sum is σ = 3142458. Its totient is φ = 3142456.

The previous prime is 3142453. The next prime is 3142459. The reversal of 3142457 is 7542413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3024121 + 118336 = 1739^2 + 344^2 .

It is a cyclic number.

It is not a de Polignac number, because 3142457 - 2² = 3142453 is a prime.

Together with 3142459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3142453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571228 + 1571229.

It is an arithmetic number, because the mean of its divisors is an integer number (1571229).

Almost surely, 2^3142457 is an apocalyptic number.

It is an amenable number.

3142457 is a deficient number, since it is larger than the sum of its proper divisors (1).

3142457 is an equidigital number, since it uses as much as digits as its factorization.

3142457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 26.

The square root of 3142457 is about 1772.6976617574. The cubic root of 3142457 is about 146.4726192971.

The spelling of 3142457 in words is "three million, one hundred forty-two thousand, four hundred fifty-seven".