503421701 has 16 divisors (see below), whose sum is σ = 549979200. Its totient is φ = 458978688.

The previous prime is 503421691. The next prime is 503421703. The reversal of 503421701 is 107124305.

It is a cyclic number.

It is not a de Polignac number, because 503421701 - 2⁶ = 503421637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503421703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189881 + ... + 192513.

It is an arithmetic number, because the mean of its divisors is an integer number (34373700).

Almost surely, 2^503421701 is an apocalyptic number.

It is an amenable number.

503421701 is a deficient number, since it is larger than the sum of its proper divisors (46557499).

503421701 is a wasteful number, since it uses less digits than its factorization.

503421701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 503421701 is about 22437.0608814969. The cubic root of 503421701 is about 795.5069487925.

The spelling of 503421701 in words is "five hundred three million, four hundred twenty-one thousand, seven hundred one".