253405102 has 8 divisors (see below), whose sum is σ = 386339112. Its totient is φ = 124625400.

The previous prime is 253405073. The next prime is 253405121. The reversal of 253405102 is 201504352.

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

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 3 ways as a sum of consecutive naturals, for example, 1038424 + ... + 1038667.

It is an arithmetic number, because the mean of its divisors is an integer number (48292389).

Almost surely, 2^253405102 is an apocalyptic number.

253405102 is a deficient number, since it is larger than the sum of its proper divisors (132934010).

253405102 is a wasteful number, since it uses less digits than its factorization.

253405102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077154.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 253405102 is about 15918.7028994199. The cubic root of 253405102 is about 632.8077435078.

Adding to 253405102 its reverse (201504352), we get a palindrome (454909454).

The spelling of 253405102 in words is "two hundred fifty-three million, four hundred five thousand, one hundred two".