1013520654 has 64 divisors (see below), whose sum is σ = 2390446080. Its totient is φ = 317208960.

The previous prime is 1013520653. The next prime is 1013520689. The reversal of 1013520654 is 4560253101.

1013520654 is a `hidden beast` number, since 1 + 0 + 1 + 3 + 5 + 2 + 0 + 654 = 666.

It is a super-3 number, since 3×1013520654³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013520653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 479059 + ... + 481169.

It is an arithmetic number, because the mean of its divisors is an integer number (37350720).

Almost surely, 2^1013520654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013520654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1195223040).

1013520654 is an abundant number, since it is smaller than the sum of its proper divisors (1376925426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1013520654 is a wasteful number, since it uses less digits than its factorization.

1013520654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662 (or 2656 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1013520654 is about 31835.8391439585. The cubic root of 1013520654 is about 1004.4867238686.

Adding to 1013520654 its reverse (4560253101), we get a palindrome (5573773755).

The spelling of 1013520654 in words is "one billion, thirteen million, five hundred twenty thousand, six hundred fifty-four".