1013642225 has 24 divisors (see below), whose sum is σ = 1310487552. Its totient is φ = 777067200.

The previous prime is 1013642209. The next prime is 1013642233. The reversal of 1013642225 is 5222463101.

It is a happy number.

It is not a de Polignac number, because 1013642225 - 2⁴ = 1013642209 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 = 1013642194 and 1013642203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48080 + ... + 65870.

It is an arithmetic number, because the mean of its divisors is an integer number (54603648).

Almost surely, 2^1013642225 is an apocalyptic number.

It is an amenable number.

1013642225 is a deficient number, since it is larger than the sum of its proper divisors (296845327).

1013642225 is a wasteful number, since it uses less digits than its factorization.

1013642225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17897 (or 17892 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1013642225 is about 31837.7484285557. The cubic root of 1013642225 is about 1004.5268847253.

The spelling of 1013642225 in words is "one billion, thirteen million, six hundred forty-two thousand, two hundred twenty-five".