2154104225 has 24 divisors (see below), whose sum is σ = 3287497920. Its totient is φ = 1363475520.

The previous prime is 2154104209. The next prime is 2154104237. The reversal of 2154104225 is 5224014512.

It is not a de Polignac number, because 2154104225 - 2⁴ = 2154104209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2154104194 and 2154104203.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 471155 + ... + 475704.

It is an arithmetic number, because the mean of its divisors is an integer number (136979080).

Almost surely, 2^2154104225 is an apocalyptic number.

2154104225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2154104225 is a deficient number, since it is larger than the sum of its proper divisors (1133393695).

2154104225 is a wasteful number, since it uses less digits than its factorization.

2154104225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946889 (or 946884 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2154104225 is about 46412.3283729657. The cubic root of 2154104225 is about 1291.4836254442.

Adding to 2154104225 its reverse (5224014512), we get a palindrome (7378118737).

The spelling of 2154104225 in words is "two billion, one hundred fifty-four million, one hundred four thousand, two hundred twenty-five".