253496470 has 16 divisors (see below), whose sum is σ = 456626160. Its totient is φ = 101324704.

The previous prime is 253496447. The next prime is 253496471. The reversal of 253496470 is 74694352.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253496471) 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 7 ways as a sum of consecutive naturals, for example, 6441 + ... + 23419.

It is an arithmetic number, because the mean of its divisors is an integer number (28539135).

Almost surely, 2^253496470 is an apocalyptic number.

253496470 is a deficient number, since it is larger than the sum of its proper divisors (203129690).

253496470 is a wasteful number, since it uses less digits than its factorization.

253496470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18479.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 253496470 is about 15921.5724725920. The cubic root of 253496470 is about 632.8837896356.

The spelling of 253496470 in words is "two hundred fifty-three million, four hundred ninety-six thousand, four hundred seventy".