2581250006 has 8 divisors (see below), whose sum is σ = 3872490984. Its totient is φ = 1290419680.

The previous prime is 2581249991. The next prime is 2581250033. The reversal of 2581250006 is 6000521852.

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

It is a congruent 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, 86435 + ... + 112398.

It is an arithmetic number, because the mean of its divisors is an integer number (484061373).

Almost surely, 2^2581250006 is an apocalyptic number.

2581250006 is a deficient number, since it is larger than the sum of its proper divisors (1291240978).

2581250006 is a wasteful number, since it uses less digits than its factorization.

2581250006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205326.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 2581250006 is about 50806.0036413021. The cubic root of 2581250006 is about 1371.7554363387.

Adding to 2581250006 its reverse (6000521852), we get a palindrome (8581771858).

The spelling of 2581250006 in words is "two billion, five hundred eighty-one million, two hundred fifty thousand, six".