2601951 has 16 divisors (see below), whose sum is σ = 3888768. Its totient is φ = 1533600.

The previous prime is 2601943. The next prime is 2601979. The reversal of 2601951 is 1591062.

It is not a de Polignac number, because 2601951 - 2³ = 2601943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2601931) 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, 156 + ... + 2286.

It is an arithmetic number, because the mean of its divisors is an integer number (243048).

2^2601951 is an apocalyptic number.

2601951 is a deficient number, since it is larger than the sum of its proper divisors (1286817).

2601951 is a wasteful number, since it uses less digits than its factorization.

2601951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 2601951 is about 1613.0564156284. The cubic root of 2601951 is about 137.5412724588.

It can be divided in two parts, 260 and 1951, that added together give a triangular number (2211 = T₆₆).

The spelling of 2601951 in words is "two million, six hundred one thousand, nine hundred fifty-one".