253105131 has 8 divisors (see below), whose sum is σ = 342226944. Its totient is φ = 166360040.

The previous prime is 253105117. The next prime is 253105159. The reversal of 253105131 is 131501352.

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 253105131 - 2⁶ = 253105067 is a prime.

It is a super-2 number, since 2×253105131² = 128124414677054322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253105098 and 253105107.

It is not an unprimeable number, because it can be changed into a prime (253105331) 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, 593931 + ... + 594356.

It is an arithmetic number, because the mean of its divisors is an integer number (42778368).

Almost surely, 2^253105131 is an apocalyptic number.

253105131 is a deficient number, since it is larger than the sum of its proper divisors (89121813).

253105131 is a wasteful number, since it uses less digits than its factorization.

253105131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188361.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 253105131 is about 15909.2781420151. The cubic root of 253105131 is about 632.5579472705.

Adding to 253105131 its reverse (131501352), we get a palindrome (384606483).

The spelling of 253105131 in words is "two hundred fifty-three million, one hundred five thousand, one hundred thirty-one".