201342451 has 2 divisors, whose sum is σ = 201342452. Its totient is φ = 201342450.

The previous prime is 201342433. The next prime is 201342457. The reversal of 201342451 is 154243102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201342451 - 2¹⁵ = 201309683 is a prime.

It is not a weakly prime, because it can be changed into another prime (201342457) by changing a digit.

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 as a sum of consecutive naturals, namely, 100671225 + 100671226.

It is an arithmetic number, because the mean of its divisors is an integer number (100671226).

Almost surely, 2^201342451 is an apocalyptic number.

201342451 is a deficient number, since it is larger than the sum of its proper divisors (1).

201342451 is an equidigital number, since it uses as much as digits as its factorization.

201342451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 201342451 is about 14189.5190545698. The cubic root of 201342451 is about 586.1090811394.

Adding to 201342451 its reverse (154243102), we get a palindrome (355585553).

The spelling of 201342451 in words is "two hundred one million, three hundred forty-two thousand, four hundred fifty-one".