253562129 has 2 divisors, whose sum is σ = 253562130. Its totient is φ = 253562128.

The previous prime is 253562107. The next prime is 253562131. The reversal of 253562129 is 921265352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203718529 + 49843600 = 14273^2 + 7060^2 .

It is a cyclic number.

It is not a de Polignac number, because 253562129 - 2¹² = 253558033 is a prime.

It is a Sophie Germain prime.

Together with 253562131, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (253562149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126781064 + 126781065.

It is an arithmetic number, because the mean of its divisors is an integer number (126781065).

Almost surely, 2^253562129 is an apocalyptic number.

It is an amenable number.

253562129 is a deficient number, since it is larger than the sum of its proper divisors (1).

253562129 is an equidigital number, since it uses as much as digits as its factorization.

253562129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 35.

The square root of 253562129 is about 15923.6342899478. The cubic root of 253562129 is about 632.9384267271.

The spelling of 253562129 in words is "two hundred fifty-three million, five hundred sixty-two thousand, one hundred twenty-nine".