504641 has 4 divisors (see below), whose sum is σ = 507732. Its totient is φ = 501552.
The previous prime is 504631. The next prime is 504661. The reversal of 504641 is 146405.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 490000 + 14641 = 700^2 + 121^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-504641 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (504631) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1286 + ... + 1631.
It is an arithmetic number, because the mean of its divisors is an integer number (126933).
2504641 is an apocalyptic number.
It is an amenable number.
504641 is a deficient number, since it is larger than the sum of its proper divisors (3091).
504641 is a wasteful number, since it uses less digits than its factorization.
504641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3090.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 504641 is about 710.3808837518. The cubic root of 504641 is about 79.6148676386.
The spelling of 504641 in words is "five hundred four thousand, six hundred forty-one".
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