2506641 has 8 divisors (see below), whose sum is σ = 3357024. Its totient is φ = 1663680.

The previous prime is 2506631. The next prime is 2506643. The reversal of 2506641 is 1466052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2506641 - 2⁹ = 2506129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2506643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1011 + ... + 2456.

It is an arithmetic number, because the mean of its divisors is an integer number (419628).

2^2506641 is an apocalyptic number.

It is an amenable number.

2506641 is a deficient number, since it is larger than the sum of its proper divisors (850383).

2506641 is a wasteful number, since it uses less digits than its factorization.

2506641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2506641 is about 1583.2375058721. The cubic root of 2506641 is about 135.8409508903.

The spelling of 2506641 in words is "two million, five hundred six thousand, six hundred forty-one".