253695708 has 72 divisors (see below), whose sum is σ = 738762752. Its totient is φ = 71904672.

The previous prime is 253695697. The next prime is 253695719. The reversal of 253695708 is 807596352.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (253695697) and next prime (253695719).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 28041 + ... + 35967.

Almost surely, 2^253695708 is an apocalyptic number.

253695708 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253695708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369381376).

253695708 is an abundant number, since it is smaller than the sum of its proper divisors (485067044).

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

253695708 is a wasteful number, since it uses less digits than its factorization.

253695708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8071 (or 8066 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 253695708 is about 15927.8281005290. The cubic root of 253695708 is about 633.0495532585.

The spelling of 253695708 in words is "two hundred fifty-three million, six hundred ninety-five thousand, seven hundred eight".