253880001 has 10 divisors (see below), whose sum is σ = 379252962. Its totient is φ = 169253280.

The previous prime is 253879993. The next prime is 253880047. The reversal of 253880001 is 100088352.

It is a happy number.

253880001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 162180225 + 91699776 = 12735^2 + 9576^2 .

It is not a de Polignac number, because 253880001 - 2³ = 253879993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (253880201) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1567080 + ... + 1567241.

Almost surely, 2^253880001 is an apocalyptic number.

It is an amenable number.

253880001 is a deficient number, since it is larger than the sum of its proper divisors (125372961).

253880001 is an equidigital number, since it uses as much as digits as its factorization.

253880001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134333 (or 3134324 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 253880001 is about 15933.6123022998. The cubic root of 253880001 is about 633.2028055721.

The spelling of 253880001 in words is "two hundred fifty-three million, eight hundred eighty thousand, one".