250001380 has 12 divisors (see below), whose sum is σ = 525002940. Its totient is φ = 100000544.

The previous prime is 250001377. The next prime is 250001387. The reversal of 250001380 is 83100052.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 196448256 + 53553124 = 14016^2 + 7318^2 .

It is not an unprimeable number, because it can be changed into a prime (250001387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6250015 + ... + 6250054.

It is an arithmetic number, because the mean of its divisors is an integer number (43750245).

Almost surely, 2^250001380 is an apocalyptic number.

250001380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250001380 is an abundant number, since it is smaller than the sum of its proper divisors (275001560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

250001380 is a wasteful number, since it uses less digits than its factorization.

250001380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12500078 (or 12500076 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 250001380 is about 15811.4319402134. The cubic root of 250001380 is about 629.9616840727.

The spelling of 250001380 in words is "two hundred fifty million, one thousand, three hundred eighty".