6201601 has 4 divisors (see below), whose sum is σ = 7087552. Its totient is φ = 5315652.

The previous prime is 6201599. The next prime is 6201641. The reversal of 6201601 is 1061026.

6201601 = T₇₅₈ + T₇₅₉ + ... + T₇₇₈.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1061026 = 2 ⋅530513.

It is a cyclic number.

It is not a de Polignac number, because 6201601 - 2¹ = 6201599 is a prime.

It is an Ulam number.

It is a Duffinian number.

6201601 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6201641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442965 + ... + 442978.

It is an arithmetic number, because the mean of its divisors is an integer number (1771888).

Almost surely, 2^6201601 is an apocalyptic number.

It is an amenable number.

6201601 is a deficient number, since it is larger than the sum of its proper divisors (885951).

6201601 is an equidigital number, since it uses as much as digits as its factorization.

6201601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885950.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 6201601 is about 2490.3013873827. The cubic root of 6201601 is about 183.7248664468.

Adding to 6201601 its reverse (1061026), we get a palindrome (7262627).

The spelling of 6201601 in words is "six million, two hundred one thousand, six hundred one".