1013213524 has 12 divisors (see below), whose sum is σ = 1773348948. Its totient is φ = 506542400.

The previous prime is 1013213521. The next prime is 1013213527. The reversal of 1013213524 is 4253123101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1013213521) and next prime (1013213527).

It can be written as a sum of positive squares in 2 ways, for example, as 117288900 + 895924624 = 10830^2 + 29932^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1013213495 and 1013213504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013213521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45654 + ... + 64114.

It is an arithmetic number, because the mean of its divisors is an integer number (147779079).

Almost surely, 2^1013213524 is an apocalyptic number.

It is an amenable number.

1013213524 is a deficient number, since it is larger than the sum of its proper divisors (760135424).

1013213524 is a wasteful number, since it uses less digits than its factorization.

1013213524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32186 (or 32184 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1013213524 is about 31831.0151267596. The cubic root of 1013213524 is about 1004.3852494770.

Adding to 1013213524 its reverse (4253123101), we get a palindrome (5266336625).

The spelling of 1013213524 in words is "one billion, thirteen million, two hundred thirteen thousand, five hundred twenty-four".