1725151 has 2 divisors, whose sum is σ = 1725152. Its totient is φ = 1725150.

The previous prime is 1725133. The next prime is 1725173. The reversal of 1725151 is 1515271.

It is an a-pointer prime, because the next prime (1725173) can be obtained adding 1725151 to its sum of digits (22).

It is a weak prime.

It is an emirp because it is prime and its reverse (1515271) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1725151 is a prime.

It is a super-2 number, since 2×1725151² = 5952291945602, which contains 22 as substring.

1725151 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1725121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 862575 + 862576.

It is an arithmetic number, because the mean of its divisors is an integer number (862576).

2^1725151 is an apocalyptic number.

1725151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1725151 is an equidigital number, since it uses as much as digits as its factorization.

1725151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 350, while the sum is 22.

The square root of 1725151 is about 1313.4500371160. The cubic root of 1725151 is about 119.9340146487.

It can be divided in two parts, 17251 and 51, that multiplied together give a triangular number (879801 = T₁₃₂₆).

The spelling of 1725151 in words is "one million, seven hundred twenty-five thousand, one hundred fifty-one".