253540358 has 4 divisors (see below), whose sum is σ = 380310540. Its totient is φ = 126770178.

The previous prime is 253540333. The next prime is 253540367. The reversal of 253540358 is 853045352.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63385088 + ... + 63385091.

It is an arithmetic number, because the mean of its divisors is an integer number (95077635).

Almost surely, 2^253540358 is an apocalyptic number.

253540358 is a deficient number, since it is larger than the sum of its proper divisors (126770182).

253540358 is a wasteful number, since it uses less digits than its factorization.

253540358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126770181.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 253540358 is about 15922.9506687674. The cubic root of 253540358 is about 632.9203113814.

The spelling of 253540358 in words is "two hundred fifty-three million, five hundred forty thousand, three hundred fifty-eight".