245034553 has 2 divisors, whose sum is σ = 245034554. Its totient is φ = 245034552.

The previous prime is 245034541. The next prime is 245034563. The reversal of 245034553 is 355430542.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197037369 + 47997184 = 14037^2 + 6928^2 .

It is a cyclic number.

It is not a de Polignac number, because 245034553 - 2¹³ = 245026361 is a prime.

It is not a weakly prime, because it can be changed into another prime (245034563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122517276 + 122517277.

It is an arithmetic number, because the mean of its divisors is an integer number (122517277).

Almost surely, 2^245034553 is an apocalyptic number.

It is an amenable number.

245034553 is a deficient number, since it is larger than the sum of its proper divisors (1).

245034553 is an equidigital number, since it uses as much as digits as its factorization.

245034553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 245034553 is about 15653.5795586824. The cubic root of 245034553 is about 625.7618894218.

The spelling of 245034553 in words is "two hundred forty-five million, thirty-four thousand, five hundred fifty-three".