253513142 has 16 divisors (see below), whose sum is σ = 383095872. Its totient is φ = 125818560.

The previous prime is 253513123. The next prime is 253513177. The reversal of 253513142 is 241315352.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177443 + ... + 178865.

It is an arithmetic number, because the mean of its divisors is an integer number (23943492).

Almost surely, 2^253513142 is an apocalyptic number.

253513142 is a deficient number, since it is larger than the sum of its proper divisors (129582730).

253513142 is a wasteful number, since it uses less digits than its factorization.

253513142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023.

The product of its digits is 3600, while the sum is 26.

The square root of 253513142 is about 15922.0960303598. The cubic root of 253513142 is about 632.8976638685.

Adding to 253513142 its reverse (241315352), we get a palindrome (494828494).

The spelling of 253513142 in words is "two hundred fifty-three million, five hundred thirteen thousand, one hundred forty-two".