71250453 has 12 divisors (see below), whose sum is σ = 103128480. Its totient is φ = 47402856.

The previous prime is 71250367. The next prime is 71250457. The reversal of 71250453 is 35405217.

It is a happy number.

It is not a de Polignac number, because 71250453 - 2¹³ = 71242261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71250457) 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 in 11 ways as a sum of consecutive naturals, for example, 3343 + ... + 12396.

It is an arithmetic number, because the mean of its divisors is an integer number (8594040).

Almost surely, 2^71250453 is an apocalyptic number.

It is an amenable number.

71250453 is a deficient number, since it is larger than the sum of its proper divisors (31878027).

71250453 is a wasteful number, since it uses less digits than its factorization.

71250453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16248 (or 16245 counting only the distinct ones).

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

The square root of 71250453 is about 8440.9983414286. The cubic root of 71250453 is about 414.5680956822.

The spelling of 71250453 in words is "seventy-one million, two hundred fifty thousand, four hundred fifty-three".