210152451 has 8 divisors (see below), whose sum is σ = 280489984. Its totient is φ = 139958280.

The previous prime is 210152447. The next prime is 210152479. The reversal of 210152451 is 154251012.

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

It is not a de Polignac number, because 210152451 - 2² = 210152447 is a prime.

It is a super-2 number, since 2×210152451² = 88328105322614802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210152251) 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, 32371 + ... + 38316.

It is an arithmetic number, because the mean of its divisors is an integer number (35061248).

Almost surely, 2^210152451 is an apocalyptic number.

210152451 is a deficient number, since it is larger than the sum of its proper divisors (70337533).

210152451 is an equidigital number, since it uses as much as digits as its factorization.

210152451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71681.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 210152451 is about 14496.6358511208. The cubic root of 210152451 is about 594.5359949044.

The spelling of 210152451 in words is "two hundred ten million, one hundred fifty-two thousand, four hundred fifty-one".