253461644 has 6 divisors (see below), whose sum is σ = 443557884. Its totient is φ = 126730820.

The previous prime is 253461641. The next prime is 253461661. The reversal of 253461644 is 446164352.

It is not an unprimeable number, because it can be changed into a prime (253461641) 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, 31682702 + ... + 31682709.

It is an arithmetic number, because the mean of its divisors is an integer number (73926314).

Almost surely, 2^253461644 is an apocalyptic number.

It is an amenable number.

253461644 is a deficient number, since it is larger than the sum of its proper divisors (190096240).

253461644 is a wasteful number, since it uses less digits than its factorization.

253461644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63365415 (or 63365413 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 253461644 is about 15920.4787616453. The cubic root of 253461644 is about 632.8548059048.

The spelling of 253461644 in words is "two hundred fifty-three million, four hundred sixty-one thousand, six hundred forty-four".