253775775 has 48 divisors (see below), whose sum is σ = 461220480. Its totient is φ = 122102400.

The previous prime is 253775771. The next prime is 253775783. The reversal of 253775775 is 577577352.

It is not a de Polignac number, because 253775775 - 2² = 253775771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253775771) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113569 + ... + 115781.

It is an arithmetic number, because the mean of its divisors is an integer number (9608760).

Almost surely, 2^253775775 is an apocalyptic number.

253775775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

253775775 is a deficient number, since it is larger than the sum of its proper divisors (207444705).

253775775 is a wasteful number, since it uses less digits than its factorization.

253775775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376 (or 2371 counting only the distinct ones).

The product of its digits is 1800750, while the sum is 48.

The square root of 253775775 is about 15930.3413334429. The cubic root of 253775775 is about 633.1161435945.

The spelling of 253775775 in words is "two hundred fifty-three million, seven hundred seventy-five thousand, seven hundred seventy-five".