503242401 has 8 divisors (see below), whose sum is σ = 678529440. Its totient is φ = 331725152.

The previous prime is 503242387. The next prime is 503242409. The reversal of 503242401 is 104242305.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 503242401 - 2¹⁰ = 503241377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (503242409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942135 + ... + 942668.

It is an arithmetic number, because the mean of its divisors is an integer number (84816180).

Almost surely, 2^503242401 is an apocalyptic number.

It is an amenable number.

503242401 is a deficient number, since it is larger than the sum of its proper divisors (175287039).

503242401 is a wasteful number, since it uses less digits than its factorization.

503242401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884895.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 503242401 is about 22433.0649042880. The cubic root of 503242401 is about 795.4124942939.

Adding to 503242401 its reverse (104242305), we get a palindrome (607484706).

It can be divided in two parts, 50324 and 2401, that added together give a palindrome (52725).

The spelling of 503242401 in words is "five hundred three million, two hundred forty-two thousand, four hundred one".