253252757554 has 4 divisors (see below), whose sum is σ = 379879136334. Its totient is φ = 126626378776.

The previous prime is 253252757479. The next prime is 253252757579. The reversal of 253252757554 is 455757252352.

253252757554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 253003970025 + 248787529 = 502995^2 + 15773^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63313189387 + ... + 63313189390.

Almost surely, 2^253252757554 is an apocalyptic number.

253252757554 is a deficient number, since it is larger than the sum of its proper divisors (126626378780).

253252757554 is a wasteful number, since it uses less digits than its factorization.

253252757554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126626378779.

The product of its digits is 14700000, while the sum is 52.

The spelling of 253252757554 in words is "two hundred fifty-three billion, two hundred fifty-two million, seven hundred fifty-seven thousand, five hundred fifty-four".