201625603 has 4 divisors (see below), whose sum is σ = 208578240. Its totient is φ = 194672968.

The previous prime is 201625601. The next prime is 201625639. The reversal of 201625603 is 306526102.

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

It is a cyclic number.

It is not a de Polignac number, because 201625603 - 2¹ = 201625601 is a prime.

It is a super-2 number, since 2×201625603² = 81305767570227218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201625601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3476275 + ... + 3476332.

It is an arithmetic number, because the mean of its divisors is an integer number (52144560).

Almost surely, 2^201625603 is an apocalyptic number.

201625603 is a deficient number, since it is larger than the sum of its proper divisors (6952637).

201625603 is an equidigital number, since it uses as much as digits as its factorization.

201625603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6952636.

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

The square root of 201625603 is about 14199.4930543312. The cubic root of 201625603 is about 586.3837048327.

The spelling of 201625603 in words is "two hundred one million, six hundred twenty-five thousand, six hundred three".