253563045 has 16 divisors (see below), whose sum is σ = 415136832. Its totient is φ = 132088320.

The previous prime is 253563001. The next prime is 253563049. The reversal of 253563045 is 540365352.

It is not a de Polignac number, because 253563045 - 2¹⁴ = 253546661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253562997 and 253563015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253563049) 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 in 15 ways as a sum of consecutive naturals, for example, 195916 + ... + 197205.

It is an arithmetic number, because the mean of its divisors is an integer number (25946052).

Almost surely, 2^253563045 is an apocalyptic number.

It is an amenable number.

253563045 is a deficient number, since it is larger than the sum of its proper divisors (161573787).

253563045 is a wasteful number, since it uses less digits than its factorization.

253563045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393172.

The product of its (nonzero) digits is 54000, while the sum is 33.

The square root of 253563045 is about 15923.6630522000. The cubic root of 253563045 is about 632.9391888952.

The spelling of 253563045 in words is "two hundred fifty-three million, five hundred sixty-three thousand, forty-five".