1011513 has 8 divisors (see below), whose sum is σ = 1356448. Its totient is φ = 670464.

The previous prime is 1011509. The next prime is 1011539. The reversal of 1011513 is 3151101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1011513 - 2² = 1011509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1011553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295 + ... + 1452.

It is an arithmetic number, because the mean of its divisors is an integer number (169556).

2^1011513 is an apocalyptic number.

It is an amenable number.

1011513 is a deficient number, since it is larger than the sum of its proper divisors (344935).

1011513 is a wasteful number, since it uses less digits than its factorization.

1011513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943.

The product of its (nonzero) digits is 15, while the sum is 12.

The square root of 1011513 is about 1005.7400260505. The cubic root of 1011513 is about 100.3823032464.

Adding to 1011513 its reverse (3151101), we get a palindrome (4162614).

The spelling of 1011513 in words is "one million, eleven thousand, five hundred thirteen".