210052499 has 6 divisors (see below), whose sum is σ = 212620716. Its totient is φ = 207514940.

The previous prime is 210052487. The next prime is 210052501. The reversal of 210052499 is 994250012.

It is not a de Polignac number, because 210052499 - 2¹² = 210048403 is a prime.

It is a super-2 number, since 2×210052499² = 88244104672290002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210052439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8357 + ... + 22134.

It is an arithmetic number, because the mean of its divisors is an integer number (35436786).

Almost surely, 2^210052499 is an apocalyptic number.

210052499 is a deficient number, since it is larger than the sum of its proper divisors (2568217).

210052499 is an frugal number, since it uses more digits than its factorization.

210052499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30657 (or 30574 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 210052499 is about 14493.1880205840. The cubic root of 210052499 is about 594.4417228888.

The spelling of 210052499 in words is "two hundred ten million, fifty-two thousand, four hundred ninety-nine".