1745253 has 16 divisors (see below), whose sum is σ = 2656960. Its totient is φ = 1131408.

The previous prime is 1745239. The next prime is 1745257. The reversal of 1745253 is 3525471.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1745253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 1 + 7³ + 4⁷ + 5 + 2¹⁷ + 5⁵ + 3¹³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1745257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126 + ... + 1872.

It is an arithmetic number, because the mean of its divisors is an integer number (166060).

2^1745253 is an apocalyptic number.

It is an amenable number.

1745253 is a deficient number, since it is larger than the sum of its proper divisors (911707).

1745253 is a wasteful number, since it uses less digits than its factorization.

1745253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793 (or 1787 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 1745253 is about 1321.0802398038. The cubic root of 1745253 is about 120.3980531541.

The spelling of 1745253 in words is "one million, seven hundred forty-five thousand, two hundred fifty-three".