250064 has 10 divisors (see below), whose sum is σ = 484530. Its totient is φ = 125024.
The previous prime is 250057. The next prime is 250073. The reversal of 250064 is 460052.
It can be written as a sum of positive squares in only one way, i.e., 250000 + 64 = 500^2 + 8^2 .
It is a congruent number.
It is an unprimeable number.
250064 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7799 + ... + 7830.
It is an arithmetic number, because the mean of its divisors is an integer number (48453).
250064 is a Friedman number, since it can be written as 500^2+64, using all its digits and the basic arithmetic operations.
2250064 is an apocalyptic number.
It is an amenable number.
250064 is a deficient number, since it is larger than the sum of its proper divisors (234466).
250064 is a wasteful number, since it uses less digits than its factorization.
250064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15637 (or 15631 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 250064 is about 500.0639959045. The cubic root of 250064 is about 63.0014276992.
Subtracting from 250064 its sum of digits (17), we obtain a cube (250047 = 633).
It can be divided in two parts, 2500 and 64, that multiplied together give a 4-th power (160000 = 204).
The spelling of 250064 in words is "two hundred fifty thousand, sixty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.094 sec. • engine limits •