1013002520 has 16 divisors (see below), whose sum is σ = 2279255760. Its totient is φ = 405200992.

The previous prime is 1013002517. The next prime is 1013002541. The reversal of 1013002520 is 252003101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1013002495 and 1013002504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12662492 + ... + 12662571.

It is an arithmetic number, because the mean of its divisors is an integer number (142453485).

Almost surely, 2^1013002520 is an apocalyptic number.

1013002520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013002520 is an abundant number, since it is smaller than the sum of its proper divisors (1266253240).

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

1013002520 is a wasteful number, since it uses less digits than its factorization.

1013002520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25325074 (or 25325070 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1013002520 is about 31827.7005138606. The cubic root of 1013002520 is about 1004.3155228059.

Adding to 1013002520 its reverse (252003101), we get a palindrome (1265005621).

The spelling of 1013002520 in words is "one billion, thirteen million, two thousand, five hundred twenty".