1925857 has 2 divisors, whose sum is σ = 1925858. Its totient is φ = 1925856.

The previous prime is 1925851. The next prime is 1925863. The reversal of 1925857 is 7585291.

It is a balanced prime because it is at equal distance from previous prime (1925851) and next prime (1925863).

It can be written as a sum of positive squares in only one way, i.e., 1527696 + 398161 = 1236^2 + 631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1925857 is a prime.

It is not a weakly prime, because it can be changed into another prime (1925851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962928 + 962929.

It is an arithmetic number, because the mean of its divisors is an integer number (962929).

2^1925857 is an apocalyptic number.

It is an amenable number.

1925857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1925857 is an equidigital number, since it uses as much as digits as its factorization.

1925857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 37.

The square root of 1925857 is about 1387.7524995474. The cubic root of 1925857 is about 124.4155543114.

The spelling of 1925857 in words is "one million, nine hundred twenty-five thousand, eight hundred fifty-seven".