250006725 has 54 divisors (see below), whose sum is σ = 459672278. Its totient is φ = 129888000.

The previous prime is 250006721. The next prime is 250006741. The reversal of 250006725 is 527600052.

It can be written as a sum of positive squares in 9 ways, for example, as 163405089 + 86601636 = 12783^2 + 9306^2 .

It is not a de Polignac number, because 250006725 - 2² = 250006721 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250006721) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 377895 + ... + 378555.

Almost surely, 2^250006725 is an apocalyptic number.

250006725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250006725 is a deficient number, since it is larger than the sum of its proper divisors (209665553).

250006725 is a wasteful number, since it uses less digits than its factorization.

250006725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 250006725 is about 15811.6009625844. The cubic root of 250006725 is about 629.9661735428.

Adding to 250006725 its reverse (527600052), we get a palindrome (777606777).

The spelling of 250006725 in words is "two hundred fifty million, six thousand, seven hundred twenty-five".