2573121329 has 2 divisors, whose sum is σ = 2573121330. Its totient is φ = 2573121328.

The previous prime is 2573121311. The next prime is 2573121347. The reversal of 2573121329 is 9231213752.

It is a balanced prime because it is at equal distance from previous prime (2573121311) and next prime (2573121347).

It can be written as a sum of positive squares in only one way, i.e., 1314787600 + 1258333729 = 36260^2 + 35473^2 .

It is a cyclic number.

It is not a de Polignac number, because 2573121329 - 2⁸ = 2573121073 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2573121359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286560664 + 1286560665.

It is an arithmetic number, because the mean of its divisors is an integer number (1286560665).

Almost surely, 2^2573121329 is an apocalyptic number.

It is an amenable number.

2573121329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2573121329 is an equidigital number, since it uses as much as digits as its factorization.

2573121329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 2573121329 is about 50725.9433524898. The cubic root of 2573121329 is about 1370.3139793974.

The spelling of 2573121329 in words is "two billion, five hundred seventy-three million, one hundred twenty-one thousand, three hundred twenty-nine".