1051153013 has 4 divisors (see below), whose sum is σ = 1061989740. Its totient is φ = 1040316288.

The previous prime is 1051153009. The next prime is 1051153031. The reversal of 1051153013 is 3103511501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3103511501 = 25189 ⋅123209.

It can be written as a sum of positive squares in 2 ways, for example, as 693110929 + 358042084 = 26327^2 + 18922^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051153013 - 2² = 1051153009 is a prime.

It is a super-2 number, since 2×1051153013² = 2209845313477956338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051153043) 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, 5418218 + ... + 5418411.

It is an arithmetic number, because the mean of its divisors is an integer number (265497435).

Almost surely, 2^1051153013 is an apocalyptic number.

It is an amenable number.

1051153013 is a deficient number, since it is larger than the sum of its proper divisors (10836727).

1051153013 is an equidigital number, since it uses as much as digits as its factorization.

1051153013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10836726.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 1051153013 is about 32421.4899873525. The cubic root of 1051153013 is about 1016.7682582466.

Adding to 1051153013 its reverse (3103511501), we get a palindrome (4154664514).

The spelling of 1051153013 in words is "one billion, fifty-one million, one hundred fifty-three thousand, thirteen".