2601501 has 16 divisors (see below), whose sum is σ = 4020864. Its totient is φ = 1465344.

The previous prime is 2601481. The next prime is 2601509. The reversal of 2601501 is 1051062.

It is not a de Polignac number, because 2601501 - 2⁶ = 2601437 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2601509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 685 + ... + 2381.

It is an arithmetic number, because the mean of its divisors is an integer number (251304).

2^2601501 is an apocalyptic number.

2601501 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2601501 is a deficient number, since it is larger than the sum of its proper divisors (1419363).

2601501 is a wasteful number, since it uses less digits than its factorization.

2601501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780.

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

The square root of 2601501 is about 1612.9169228451. The cubic root of 2601501 is about 137.5333428781.

Adding to 2601501 its reverse (1051062), we get a palindrome (3652563).

The spelling of 2601501 in words is "two million, six hundred one thousand, five hundred one".