250121316 has 12 divisors (see below), whose sum is σ = 583616432. Its totient is φ = 83373768.

The previous prime is 250121303. The next prime is 250121329. The reversal of 250121316 is 613121052.

It is an interprime number because it is at equal distance from previous prime (250121303) and next prime (250121329).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 250121292 and 250121301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10421710 + ... + 10421733.

Almost surely, 2^250121316 is an apocalyptic number.

It is an amenable number.

250121316 is an abundant number, since it is smaller than the sum of its proper divisors (333495116).

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

250121316 is a wasteful number, since it uses less digits than its factorization.

250121316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20843450 (or 20843448 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 250121316 is about 15815.2241843105. The cubic root of 250121316 is about 630.0624075240.

Adding to 250121316 its reverse (613121052), we get a palindrome (863242368).

The spelling of 250121316 in words is "two hundred fifty million, one hundred twenty-one thousand, three hundred sixteen".