1603634053 has 8 divisors (see below), whose sum is σ = 1843319808. Its totient is φ = 1366597104.

The previous prime is 1603634023. The next prime is 1603634069. The reversal of 1603634053 is 3504363061.

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 1603634053 - 2⁹ = 1603633541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1603634023) 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, 660901 + ... + 663322.

It is an arithmetic number, because the mean of its divisors is an integer number (230414976).

Almost surely, 2^1603634053 is an apocalyptic number.

It is an amenable number.

1603634053 is a deficient number, since it is larger than the sum of its proper divisors (239685755).

1603634053 is a wasteful number, since it uses less digits than its factorization.

1603634053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324403.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 1603634053 is about 40045.3998981156. The cubic root of 1603634053 is about 1170.4919286733.

The spelling of 1603634053 in words is "one billion, six hundred three million, six hundred thirty-four thousand, fifty-three".