253126 has 8 divisors (see below), whose sum is σ = 385560. Its totient is φ = 124608.

The previous prime is 253109. The next prime is 253133. The reversal of 253126 is 621352.

It is a happy number.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 811 + ... + 1078.

It is an arithmetic number, because the mean of its divisors is an integer number (48195).

2²⁵³¹²⁶ is an apocalyptic number.

253126 is a deficient number, since it is larger than the sum of its proper divisors (132434).

253126 is a wasteful number, since it uses less digits than its factorization.

253126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958.

The product of its digits is 360, while the sum is 19.

The square root of 253126 is about 503.1162887445. The cubic root of 253126 is about 63.2575331995.

Adding to 253126 its reverse (621352), we get a palindrome (874478).

It can be divided in two parts, 253 and 126, that multiplied together give a triangular number (31878 = T₂₅₂).

The spelling of 253126 in words is "two hundred fifty-three thousand, one hundred twenty-six".