603552401 has 4 divisors (see below), whose sum is σ = 603737892. Its totient is φ = 603366912.

The previous prime is 603552371. The next prime is 603552409. The reversal of 603552401 is 104255306.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 565298176 + 38254225 = 23776^2 + 6185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-603552401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (603552409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87776 + ... + 94401.

It is an arithmetic number, because the mean of its divisors is an integer number (150934473).

Almost surely, 2^603552401 is an apocalyptic number.

It is an amenable number.

603552401 is a deficient number, since it is larger than the sum of its proper divisors (185491).

603552401 is a wasteful number, since it uses less digits than its factorization.

603552401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185490.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 603552401 is about 24567.3034946858. The cubic root of 603552401 is about 845.0939526499.

The spelling of 603552401 in words is "six hundred three million, five hundred fifty-two thousand, four hundred one".