210232451 has 12 divisors (see below), whose sum is σ = 248345640. Its totient is φ = 176417280.

The previous prime is 210232447. The next prime is 210232487. The reversal of 210232451 is 154232012.

It is not a de Polignac number, because 210232451 - 2² = 210232447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210232411) 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 in 11 ways as a sum of consecutive naturals, for example, 54686 + ... + 58403.

It is an arithmetic number, because the mean of its divisors is an integer number (20695470).

Almost surely, 2^210232451 is an apocalyptic number.

210232451 is a deficient number, since it is larger than the sum of its proper divisors (38113189).

210232451 is a wasteful number, since it uses less digits than its factorization.

210232451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113126 (or 113113 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 210232451 is about 14499.3948494411. The cubic root of 210232451 is about 594.6114272002.

Adding to 210232451 its reverse (154232012), we get a palindrome (364464463).

The spelling of 210232451 in words is "two hundred ten million, two hundred thirty-two thousand, four hundred fifty-one".