990052603 has 8 divisors (see below), whose sum is σ = 1012921920. Its totient is φ = 967258560.

The previous prime is 990052573. The next prime is 990052607. The reversal of 990052603 is 306250099.

It is a happy number.

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 990052603 - 2⁵ = 990052571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (990052607) 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, 8233 + ... + 45253.

It is an arithmetic number, because the mean of its divisors is an integer number (126615240).

Almost surely, 2^990052603 is an apocalyptic number.

990052603 is a deficient number, since it is larger than the sum of its proper divisors (22869317).

990052603 is a wasteful number, since it uses less digits than its factorization.

990052603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37637.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 990052603 is about 31465.1013505439. The cubic root of 990052603 is about 996.6731453117.

The spelling of 990052603 in words is "nine hundred ninety million, fifty-two thousand, six hundred three".