250245540 has 36 divisors (see below), whose sum is σ = 759078684. Its totient is φ = 66732096.

The previous prime is 250245529. The next prime is 250245551. The reversal of 250245540 is 45542052.

250245540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (250245529) and next prime (250245551).

It can be written as a sum of positive squares in 2 ways, for example, as 33802596 + 216442944 = 5814^2 + 14712^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 694947 + ... + 695306.

It is an arithmetic number, because the mean of its divisors is an integer number (21085519).

Almost surely, 2^250245540 is an apocalyptic number.

250245540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250245540 is an abundant number, since it is smaller than the sum of its proper divisors (508833144).

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

250245540 is a wasteful number, since it uses less digits than its factorization.

250245540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390268 (or 1390263 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 250245540 is about 15819.1510518106. The cubic root of 250245540 is about 630.1666981402.

Adding to 250245540 its reverse (45542052), we get a palindrome (295787592).

The spelling of 250245540 in words is "two hundred fifty million, two hundred forty-five thousand, five hundred forty".