253922389 has 16 divisors (see below), whose sum is σ = 298319616. Its totient is φ = 211593600.

The previous prime is 253922363. The next prime is 253922399. The reversal of 253922389 is 983229352.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253922389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253922309) 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, 89584 + ... + 92374.

It is an arithmetic number, because the mean of its divisors is an integer number (18644976).

Almost surely, 2^253922389 is an apocalyptic number.

It is an amenable number.

253922389 is a deficient number, since it is larger than the sum of its proper divisors (44397227).

253922389 is a wasteful number, since it uses less digits than its factorization.

253922389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3156.

The product of its digits is 233280, while the sum is 43.

The square root of 253922389 is about 15934.9423908592. The cubic root of 253922389 is about 633.2380436200.

The spelling of 253922389 in words is "two hundred fifty-three million, nine hundred twenty-two thousand, three hundred eighty-nine".