2506061 has 4 divisors (see below), whose sum is σ = 2509500. Its totient is φ = 2502624.

The previous prime is 2506033. The next prime is 2506069. The reversal of 2506061 is 1606052.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1485961 + 1020100 = 1219^2 + 1010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2506061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506069) 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, 146 + ... + 2243.

It is an arithmetic number, because the mean of its divisors is an integer number (627375).

2^2506061 is an apocalyptic number.

It is an amenable number.

2506061 is a deficient number, since it is larger than the sum of its proper divisors (3439).

2506061 is a wasteful number, since it uses less digits than its factorization.

2506061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3438.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2506061 is about 1583.0543262946. The cubic root of 2506061 is about 135.8304728802.

Subtracting from 2506061 its reverse (1606052), we obtain a palindrome (900009).

The spelling of 2506061 in words is "two million, five hundred six thousand, sixty-one".