1013144525 has 12 divisors (see below), whose sum is σ = 1257312384. Its totient is φ = 809862000.

The previous prime is 1013144521. The next prime is 1013144569. The reversal of 1013144525 is 5254413101.

It is not a de Polignac number, because 1013144525 - 2² = 1013144521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013144494 and 1013144503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013144521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16580 + ... + 47970.

It is an arithmetic number, because the mean of its divisors is an integer number (104776032).

Almost surely, 2^1013144525 is an apocalyptic number.

It is an amenable number.

1013144525 is a deficient number, since it is larger than the sum of its proper divisors (244167859).

1013144525 is a wasteful number, since it uses less digits than its factorization.

1013144525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32692 (or 32687 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1013144525 is about 31829.9312754520. The cubic root of 1013144525 is about 1004.3624496921.

Adding to 1013144525 its reverse (5254413101), we get a palindrome (6267557626).

The spelling of 1013144525 in words is "one billion, thirteen million, one hundred forty-four thousand, five hundred twenty-five".