1013042225 has 12 divisors (see below), whose sum is σ = 1352801436. Its totient is φ = 748092480.

The previous prime is 1013042197. The next prime is 1013042231. The reversal of 1013042225 is 5222403101.

It can be written as a sum of positive squares in 6 ways, for example, as 248409121 + 764633104 = 15761^2 + 27652^2 .

It is not a de Polignac number, because 1013042225 - 2¹⁰ = 1013041201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013042197 and 1013042206.

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, 1558202 + ... + 1558851.

It is an arithmetic number, because the mean of its divisors is an integer number (112733453).

Almost surely, 2^1013042225 is an apocalyptic number.

It is an amenable number.

1013042225 is a deficient number, since it is larger than the sum of its proper divisors (339759211).

1013042225 is a wasteful number, since it uses less digits than its factorization.

1013042225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117076 (or 3117071 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1013042225 is about 31828.3242568628. The cubic root of 1013042225 is about 1004.3286441378.

Adding to 1013042225 its reverse (5222403101), we get a palindrome (6235445326).

The spelling of 1013042225 in words is "one billion, thirteen million, forty-two thousand, two hundred twenty-five".