It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a trimorphic number since its cube, 793460187724960329925781249, ends in 925781249.
It is a de Polignac number, because none of the positive numbers 2k-925781249 is a prime.
It is a Duffinian number.
Almost surely, 2925781249 is an apocalyptic number.
It is an amenable number.
925781249 is a wasteful number, since it uses less digits than its factorization.
925781249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1021614.
The square root of 925781249 is about 30426.6535951623. The cubic root of 925781249 is about 974.6218122123.
The spelling of 925781249 in words is "nine hundred twenty-five million, seven hundred eighty-one thousand, two hundred forty-nine".