8505201403 has 8 divisors (see below), whose sum is σ = 8847100080. Its totient is φ = 8166543840.

The previous prime is 8505201389. The next prime is 8505201407. The reversal of 8505201403 is 3041025058.

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

It is a de Polignac number, because none of the positive numbers 2^k-8505201403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8505201407) 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, 804925 + ... + 815422.

It is an arithmetic number, because the mean of its divisors is an integer number (1105887510).

Almost surely, 2^8505201403 is an apocalyptic number.

8505201403 is a deficient number, since it is larger than the sum of its proper divisors (341898677).

8505201403 is a wasteful number, since it uses less digits than its factorization.

8505201403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620557.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 8505201403 is about 92223.6488271853. The cubic root of 8505201403 is about 2041.2437471170.

The spelling of 8505201403 in words is "eight billion, five hundred five million, two hundred one thousand, four hundred three".