1013521364 has 12 divisors (see below), whose sum is σ = 1775241300. Its totient is φ = 506309568.

The previous prime is 1013521363. The next prime is 1013521373. The reversal of 1013521364 is 4631253101.

It can be written as a sum of positive squares in 2 ways, for example, as 58216900 + 955304464 = 7630^2 + 30908^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013521363) 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, 107699 + ... + 116730.

It is an arithmetic number, because the mean of its divisors is an integer number (147936775).

Almost surely, 2^1013521364 is an apocalyptic number.

It is an amenable number.

1013521364 is a deficient number, since it is larger than the sum of its proper divisors (761719936).

1013521364 is a wasteful number, since it uses less digits than its factorization.

1013521364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225562 (or 225560 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1013521364 is about 31835.8502949112. The cubic root of 1013521364 is about 1004.4869584257.

Adding to 1013521364 its reverse (4631253101), we get a palindrome (5644774465).

The spelling of 1013521364 in words is "one billion, thirteen million, five hundred twenty-one thousand, three hundred sixty-four".