1634045025 has 24 divisors (see below), whose sum is σ = 2729485024. Its totient is φ = 862502400.

The previous prime is 1634045009. The next prime is 1634045029. The reversal of 1634045025 is 5205404361.

It is not a de Polignac number, because 1634045025 - 2⁴ = 1634045009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1634044983 and 1634045001.

It is not an unprimeable number, because it can be changed into a prime (1634045029) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 105031 + ... + 119580.

Almost surely, 2^1634045025 is an apocalyptic number.

1634045025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1634045025 is a deficient number, since it is larger than the sum of its proper divisors (1095439999).

1634045025 is a wasteful number, since it uses less digits than its factorization.

1634045025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224721 (or 224716 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1634045025 is about 40423.3227852437. The cubic root of 1634045025 is about 1177.8446302602.

Adding to 1634045025 its reverse (5205404361), we get a palindrome (6839449386).

The spelling of 1634045025 in words is "one billion, six hundred thirty-four million, forty-five thousand, twenty-five".