406503601 has 16 divisors (see below), whose sum is σ = 470001024. Its totient is φ = 344381184.

The previous prime is 406503599. The next prime is 406503631. The reversal of 406503601 is 106305604.

It is not a de Polignac number, because 406503601 - 2¹ = 406503599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406503631) 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, 516130 + ... + 516916.

It is an arithmetic number, because the mean of its divisors is an integer number (29375064).

Almost surely, 2^406503601 is an apocalyptic number.

It is an amenable number.

406503601 is a deficient number, since it is larger than the sum of its proper divisors (63497423).

406503601 is a wasteful number, since it uses less digits than its factorization.

406503601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 406503601 is about 20161.9344558006. The cubic root of 406503601 is about 740.7780962175.

The spelling of 406503601 in words is "four hundred six million, five hundred three thousand, six hundred one".