2501601 has 16 divisors (see below), whose sum is σ = 3564288. Its totient is φ = 1555200.

The previous prime is 2501599. The next prime is 2501623. The reversal of 2501601 is 1061052.

2501601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2501601 - 2¹ = 2501599 is a prime.

It is a super-3 number, since 3×2501601³ = 46965113934333554403, which contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9096 + ... + 9366.

It is an arithmetic number, because the mean of its divisors is an integer number (222768).

2^2501601 is an apocalyptic number.

It is an amenable number.

2501601 is a deficient number, since it is larger than the sum of its proper divisors (1062687).

2501601 is a wasteful number, since it uses less digits than its factorization.

2501601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 2501601 is about 1581.6450297080. The cubic root of 2501601 is about 135.7498465314.

Adding to 2501601 its reverse (1061052), we get a palindrome (3562653).

The spelling of 2501601 in words is "two million, five hundred one thousand, six hundred one".