2523013121 has 8 divisors (see below), whose sum is σ = 2541706944. Its totient is φ = 2504362320.

The previous prime is 2523013117. The next prime is 2523013127. The reversal of 2523013121 is 1213103252.

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

It is a cyclic number.

It is not a de Polignac number, because 2523013121 - 2² = 2523013117 is a prime.

It is a super-3 number, since 3×2523013121³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2523013093 and 2523013102.

It is not an unprimeable number, because it can be changed into a prime (2523013127) 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, 112106 + ... + 132716.

It is an arithmetic number, because the mean of its divisors is an integer number (317713368).

Almost surely, 2^2523013121 is an apocalyptic number.

It is an amenable number.

2523013121 is a deficient number, since it is larger than the sum of its proper divisors (18693823).

2523013121 is a wasteful number, since it uses less digits than its factorization.

2523013121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21511.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2523013121 is about 50229.6040298946. The cubic root of 2523013121 is about 1361.3605762897.

Adding to 2523013121 its reverse (1213103252), we get a palindrome (3736116373).

The spelling of 2523013121 in words is "two billion, five hundred twenty-three million, thirteen thousand, one hundred twenty-one".