253011135 has 32 divisors (see below), whose sum is σ = 444201408. Its totient is φ = 122204160.

The previous prime is 253011133. The next prime is 253011139. The reversal of 253011135 is 531110352.

It is not a de Polignac number, because 253011135 - 2¹ = 253011133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253011131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1906 + ... + 22575.

It is an arithmetic number, because the mean of its divisors is an integer number (13881294).

Almost surely, 2^253011135 is an apocalyptic number.

253011135 is a deficient number, since it is larger than the sum of its proper divisors (191190273).

253011135 is a wasteful number, since it uses less digits than its factorization.

253011135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24555.

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

The square root of 253011135 is about 15906.3237424617. The cubic root of 253011135 is about 632.4796329374.

Adding to 253011135 its reverse (531110352), we get a palindrome (784121487).

The spelling of 253011135 in words is "two hundred fifty-three million, eleven thousand, one hundred thirty-five".