253142077 has 16 divisors (see below), whose sum is σ = 264403440. Its totient is φ = 242176000.

The previous prime is 253142033. The next prime is 253142083. The reversal of 253142077 is 770241352.

It can be written as a sum of positive squares in 8 ways, for example, as 4575321 + 248566756 = 2139^2 + 15766^2 .

It is a cyclic number.

It is not a de Polignac number, because 253142077 - 2¹⁹ = 252617789 is a prime.

It is a super-2 number, since 2×253142077² = 128161822295747858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253142177) 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, 631077 + ... + 631477.

It is an arithmetic number, because the mean of its divisors is an integer number (16525215).

Almost surely, 2^253142077 is an apocalyptic number.

It is an amenable number.

253142077 is a deficient number, since it is larger than the sum of its proper divisors (11261363).

253142077 is a wasteful number, since it uses less digits than its factorization.

253142077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 253142077 is about 15910.4392459794. The cubic root of 253142077 is about 632.5887241375.

The spelling of 253142077 in words is "two hundred fifty-three million, one hundred forty-two thousand, seventy-seven".