2506407 has 4 divisors (see below), whose sum is σ = 3341880. Its totient is φ = 1670936.

The previous prime is 2506397. The next prime is 2506409. The reversal of 2506407 is 7046052.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2506407 - 2⁴ = 2506391 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417732 + ... + 417737.

It is an arithmetic number, because the mean of its divisors is an integer number (835470).

2^2506407 is an apocalyptic number.

2506407 is a deficient number, since it is larger than the sum of its proper divisors (835473).

2506407 is an equidigital number, since it uses as much as digits as its factorization.

2506407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835472.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 2506407 is about 1583.1636049379. The cubic root of 2506407 is about 135.8367237498.

The spelling of 2506407 in words is "two million, five hundred six thousand, four hundred seven".