2013520654 has 4 divisors (see below), whose sum is σ = 3020280984. Its totient is φ = 1006760326.

The previous prime is 2013520633. The next prime is 2013520657. The reversal of 2013520654 is 4560253102.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013520657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503380162 + ... + 503380165.

It is an arithmetic number, because the mean of its divisors is an integer number (755070246).

Almost surely, 2^2013520654 is an apocalyptic number.

2013520654 is a deficient number, since it is larger than the sum of its proper divisors (1006760330).

2013520654 is a wasteful number, since it uses less digits than its factorization.

2013520654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006760329.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2013520654 is about 44872.2704350916. The cubic root of 2013520654 is about 1262.7538353643.

Adding to 2013520654 its reverse (4560253102), we get a palindrome (6573773756).

The spelling of 2013520654 in words is "two billion, thirteen million, five hundred twenty thousand, six hundred fifty-four".