Adding to 71253000 its reverse (35217), we get a palindrome (71288217).
It is a harmonic number, since the harmonic mean of its divisors is an integer.
It is an unprimeable number.
Almost surely, 271253000 is an apocalyptic number.
71253000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 71253000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157248000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71253000 is a wasteful number, since it uses less digits than its factorization.
71253000 is an evil number, because the sum of its binary digits is even.
The square root of 71253000 is about 8441.1492108599. The cubic root of 71253000 is about 414.5730354981.
The spelling of 71253000 in words is "seventy-one million, two hundred fifty-three thousand".