253412405 has 8 divisors (see below), whose sum is σ = 320100000. Its totient is φ = 192059856.

The previous prime is 253412377. The next prime is 253412407. The reversal of 253412405 is 504214352.

It is a happy number.

253412405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 253412405 - 2²⁶ = 186303541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253412407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1333655 + ... + 1333844.

It is an arithmetic number, because the mean of its divisors is an integer number (40012500).

Almost surely, 2^253412405 is an apocalyptic number.

It is an amenable number.

253412405 is a deficient number, since it is larger than the sum of its proper divisors (66687595).

253412405 is a wasteful number, since it uses less digits than its factorization.

253412405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667523.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 253412405 is about 15918.9322820345. The cubic root of 253412405 is about 632.8138225101.

Adding to 253412405 its reverse (504214352), we get a palindrome (757626757).

The spelling of 253412405 in words is "two hundred fifty-three million, four hundred twelve thousand, four hundred five".