201382451 has 8 divisors (see below), whose sum is σ = 206003520. Its totient is φ = 196775488.

The previous prime is 201382429. The next prime is 201382471. The reversal of 201382451 is 154283102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201382451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201382451.

It is not an unprimeable number, because it can be changed into a prime (201382471) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28655 + ... + 34983.

It is an arithmetic number, because the mean of its divisors is an integer number (25750440).

Almost surely, 2^201382451 is an apocalyptic number.

201382451 is a deficient number, since it is larger than the sum of its proper divisors (4621069).

201382451 is an equidigital number, since it uses as much as digits as its factorization.

201382451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7053.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 201382451 is about 14190.9284756143. The cubic root of 201382451 is about 586.1478919826.

The spelling of 201382451 in words is "two hundred one million, three hundred eighty-two thousand, four hundred fifty-one".