253400106 has 8 divisors (see below), whose sum is σ = 506800224. Its totient is φ = 84466700.

The previous prime is 253400099. The next prime is 253400117. The reversal of 253400106 is 601004352.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

253400106 is an admirable number.

It is a super-2 number, since 2×253400106² = 128423227441622472, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 21116670 + ... + 21116681.

It is an arithmetic number, because the mean of its divisors is an integer number (63350028).

Almost surely, 2^253400106 is an apocalyptic number.

253400106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

253400106 is a wasteful number, since it uses less digits than its factorization.

253400106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42233356.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 253400106 is about 15918.5459763133. The cubic root of 253400106 is about 632.8035847804.

Adding to 253400106 its reverse (601004352), we get a palindrome (854404458).

The spelling of 253400106 in words is "two hundred fifty-three million, four hundred thousand, one hundred six".