210152505 has 16 divisors (see below), whose sum is σ = 336812544. Its totient is φ = 111891840.

The previous prime is 210152479. The next prime is 210152533. The reversal of 210152505 is 505251012.

It is not a de Polignac number, because 210152505 - 2⁷ = 210152377 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2436 + ... + 20645.

It is an arithmetic number, because the mean of its divisors is an integer number (21050784).

Almost surely, 2^210152505 is an apocalyptic number.

It is an amenable number.

210152505 is a deficient number, since it is larger than the sum of its proper divisors (126660039).

210152505 is a wasteful number, since it uses less digits than its factorization.

210152505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23696.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 210152505 is about 14496.6377136217. The cubic root of 210152505 is about 594.5360458277.

The spelling of 210152505 in words is "two hundred ten million, one hundred fifty-two thousand, five hundred five".