200251381 has 16 divisors (see below), whose sum is σ = 232891200. Its totient is φ = 170164480.

The previous prime is 200251379. The next prime is 200251411. The reversal of 200251381 is 183152002.

It is a cyclic number.

It is not a de Polignac number, because 200251381 - 2¹ = 200251379 is a prime.

It is a super-2 number, since 2×200251381² = 80201231184814322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200251321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24270 + ... + 31456.

It is an arithmetic number, because the mean of its divisors is an integer number (14555700).

Almost surely, 2^200251381 is an apocalyptic number.

It is an amenable number.

200251381 is a deficient number, since it is larger than the sum of its proper divisors (32639819).

200251381 is a wasteful number, since it uses less digits than its factorization.

200251381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7364.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 200251381 is about 14151.0204932365. The cubic root of 200251381 is about 585.0484592287.

The spelling of 200251381 in words is "two hundred million, two hundred fifty-one thousand, three hundred eighty-one".