1013513641 has 4 divisors (see below), whose sum is σ = 1158301312. Its totient is φ = 868725972.

The previous prime is 1013513629. The next prime is 1013513651. The reversal of 1013513641 is 1463153101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1463153101 = 41 ⋅35686661.

It is a cyclic number.

It is not a de Polignac number, because 1013513641 - 2⁷ = 1013513513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1013513651) 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, 72393825 + ... + 72393838.

It is an arithmetic number, because the mean of its divisors is an integer number (289575328).

Almost surely, 2^1013513641 is an apocalyptic number.

It is an amenable number.

1013513641 is a deficient number, since it is larger than the sum of its proper divisors (144787671).

1013513641 is an equidigital number, since it uses as much as digits as its factorization.

1013513641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144787670.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1013513641 is about 31835.7290006056. The cubic root of 1013513641 is about 1004.4844070332.

Adding to 1013513641 its reverse (1463153101), we get a palindrome (2476666742).

The spelling of 1013513641 in words is "one billion, thirteen million, five hundred thirteen thousand, six hundred forty-one".