2510906 has 4 divisors (see below), whose sum is σ = 3766362. Its totient is φ = 1255452.

The previous prime is 2510903. The next prime is 2510909. The reversal of 2510906 is 6090152.

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

It is an interprime number because it is at equal distance from previous prime (2510903) and next prime (2510909).

It can be written as a sum of positive squares in only one way, i.e., 1985281 + 525625 = 1409^2 + 725^2 .

It is not an unprimeable number, because it can be changed into a prime (2510903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627725 + ... + 627728.

2^2510906 is an apocalyptic number.

2510906 is a deficient number, since it is larger than the sum of its proper divisors (1255456).

2510906 is a wasteful number, since it uses less digits than its factorization.

2510906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255455.

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

The square root of 2510906 is about 1584.5838570426. The cubic root of 2510906 is about 135.9179507978.

The spelling of 2510906 in words is "two million, five hundred ten thousand, nine hundred six".