201403250 has 32 divisors (see below), whose sum is σ = 399213360. Its totient is φ = 75820800.

The previous prime is 201403229. The next prime is 201403297. The reversal of 201403250 is 52304102.

It can be written as a sum of positive squares in 8 ways, for example, as 18769 + 201384481 = 137^2 + 14191^2 .

It is a super-2 number, since 2×201403250² = 81126538221125000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19445 + ... + 27944.

Almost surely, 2^201403250 is an apocalyptic number.

201403250 is a deficient number, since it is larger than the sum of its proper divisors (197810110).

201403250 is a wasteful number, since it uses less digits than its factorization.

201403250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47423 (or 47413 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 201403250 is about 14191.6612840076. The cubic root of 201403250 is about 586.1680706199.

Adding to 201403250 its reverse (52304102), we get a palindrome (253707352).

The spelling of 201403250 in words is "two hundred one million, four hundred three thousand, two hundred fifty".