1725947 has 2 divisors, whose sum is σ = 1725948. Its totient is φ = 1725946.

The previous prime is 1725937. The next prime is 1725953. The reversal of 1725947 is 7495271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1725947 - 2⁴ = 1725931 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 1 + 7⁷ + 2 + 5⁷ + 9³ + 4 + 7⁷ .

It is not a weakly prime, because it can be changed into another prime (1725907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 862973 + 862974.

It is an arithmetic number, because the mean of its divisors is an integer number (862974).

2^1725947 is an apocalyptic number.

1725947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1725947 is an equidigital number, since it uses as much as digits as its factorization.

1725947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 35.

The square root of 1725947 is about 1313.7530209290. The cubic root of 1725947 is about 119.9524580190.

The spelling of 1725947 in words is "one million, seven hundred twenty-five thousand, nine hundred forty-seven".