2501906 has 8 divisors (see below), whose sum is σ = 4094064. Its totient is φ = 1137220.

The previous prime is 2501899. The next prime is 2501911. The reversal of 2501906 is 6091052.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56840 + ... + 56883.

It is an arithmetic number, because the mean of its divisors is an integer number (511758).

2^2501906 is an apocalyptic number.

2501906 is a deficient number, since it is larger than the sum of its proper divisors (1592158).

2501906 is a wasteful number, since it uses less digits than its factorization.

2501906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113736.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 2501906 is about 1581.7414453696. The cubic root of 2501906 is about 135.7553632679.

Adding to 2501906 its reverse (6091052), we get a palindrome (8592958).

The spelling of 2501906 in words is "two million, five hundred one thousand, nine hundred six".