210100450425 has 96 divisors (see below), whose sum is σ = 372199427712. Its totient is φ = 104204206080.

The previous prime is 210100450381. The next prime is 210100450453. The reversal of 210100450425 is 524054001012.

It is not a de Polignac number, because 210100450425 - 2³² = 205805483129 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 210100450395 and 210100450404.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 112172289 + ... + 112174161.

It is an arithmetic number, because the mean of its divisors is an integer number (3877077372).

Almost surely, 2^210100450425 is an apocalyptic number.

210100450425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

210100450425 is a deficient number, since it is larger than the sum of its proper divisors (162098977287).

210100450425 is a wasteful number, since it uses less digits than its factorization.

210100450425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907 (or 2902 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 210100450425 its reverse (524054001012), we get a palindrome (734154451437).

The spelling of 210100450425 in words is "two hundred ten billion, one hundred million, four hundred fifty thousand, four hundred twenty-five".