253513133 has 16 divisors (see below), whose sum is σ = 269506560. Its totient is φ = 238118400.

The previous prime is 253513123. The next prime is 253513177. The reversal of 253513133 is 331315352.

It is a cyclic number.

It is not a de Polignac number, because 253513133 - 2⁶ = 253513069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253513123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148541 + ... + 150237.

It is an arithmetic number, because the mean of its divisors is an integer number (16844160).

Almost surely, 2^253513133 is an apocalyptic number.

It is an amenable number.

253513133 is a deficient number, since it is larger than the sum of its proper divisors (15993427).

253513133 is a wasteful number, since it uses less digits than its factorization.

253513133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868.

The product of its digits is 4050, while the sum is 26.

The square root of 253513133 is about 15922.0957477337. The cubic root of 253513133 is about 632.8976563790.

Adding to 253513133 its reverse (331315352), we get a palindrome (584828485).

The spelling of 253513133 in words is "two hundred fifty-three million, five hundred thirteen thousand, one hundred thirty-three".