250012749 has 12 divisors (see below), whose sum is σ = 387775104. Its totient is φ = 142864344.

The previous prime is 250012739. The next prime is 250012751. The reversal of 250012749 is 947210052.

It is not a de Polignac number, because 250012749 - 2⁴ = 250012733 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250012729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 850237 + ... + 850530.

It is an arithmetic number, because the mean of its divisors is an integer number (32314592).

Almost surely, 2^250012749 is an apocalyptic number.

It is an amenable number.

250012749 is a deficient number, since it is larger than the sum of its proper divisors (137762355).

250012749 is a wasteful number, since it uses less digits than its factorization.

250012749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700784 (or 1700777 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 250012749 is about 15811.7914544811. The cubic root of 250012749 is about 629.9712332544.

The spelling of 250012749 in words is "two hundred fifty million, twelve thousand, seven hundred forty-nine".