253142791 has 16 divisors (see below), whose sum is σ = 280051200. Its totient is φ = 226905120.

The previous prime is 253142777. The next prime is 253142797. The reversal of 253142791 is 197241352.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 253142791 - 2⁵ = 253142759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253142797) 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, 422310 + ... + 422908.

It is an arithmetic number, because the mean of its divisors is an integer number (17503200).

Almost surely, 2^253142791 is an apocalyptic number.

253142791 is a deficient number, since it is larger than the sum of its proper divisors (26908409).

253142791 is a wasteful number, since it uses less digits than its factorization.

253142791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086.

The product of its digits is 15120, while the sum is 34.

The square root of 253142791 is about 15910.4616840618. The cubic root of 253142791 is about 632.5893188864.

The spelling of 253142791 in words is "two hundred fifty-three million, one hundred forty-two thousand, seven hundred ninety-one".