210749025 has 12 divisors (see below), whose sum is σ = 348438512. Its totient is φ = 112399440.

The previous prime is 210749009. The next prime is 210749093. The reversal of 210749025 is 520947012.

210749025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210749025 - 2⁴ = 210749009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210748983 and 210749001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1404919 + ... + 1405068.

Almost surely, 2^210749025 is an apocalyptic number.

210749025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

210749025 is a deficient number, since it is larger than the sum of its proper divisors (137689487).

210749025 is a wasteful number, since it uses less digits than its factorization.

210749025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810000 (or 2809995 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 210749025 is about 14517.1975601354. The cubic root of 210749025 is about 595.0980465971.

The spelling of 210749025 in words is "two hundred ten million, seven hundred forty-nine thousand, twenty-five".