253680970 has 32 divisors (see below), whose sum is σ = 508939200. Its totient is φ = 90475776.

The previous prime is 253680887. The next prime is 253680971. The reversal of 253680970 is 79086352.

It is not an unprimeable number, because it can be changed into a prime (253680971) 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 in 15 ways as a sum of consecutive naturals, for example, 36040 + ... + 42499.

It is an arithmetic number, because the mean of its divisors is an integer number (15904350).

Almost surely, 2^253680970 is an apocalyptic number.

253680970 is an abundant number, since it is smaller than the sum of its proper divisors (255258230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253680970 is a wasteful number, since it uses less digits than its factorization.

253680970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78582.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 253680970 is about 15927.3654444167. The cubic root of 253680970 is about 633.0372943926.

The spelling of 253680970 in words is "two hundred fifty-three million, six hundred eighty thousand, nine hundred seventy".