253536545 has 8 divisors (see below), whose sum is σ = 305687040. Its totient is φ = 201867120.

The previous prime is 253536541. The next prime is 253536553. The reversal of 253536545 is 545635352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253536545 - 2² = 253536541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253536499 and 253536508.

It is not an unprimeable number, because it can be changed into a prime (253536541) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 119105 + ... + 121214.

It is an arithmetic number, because the mean of its divisors is an integer number (38210880).

Almost surely, 2^253536545 is an apocalyptic number.

It is an amenable number.

253536545 is a deficient number, since it is larger than the sum of its proper divisors (52150495).

253536545 is a wasteful number, since it uses less digits than its factorization.

253536545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240535.

The product of its digits is 270000, while the sum is 38.

The square root of 253536545 is about 15922.8309354838. The cubic root of 253536545 is about 632.9171385305.

The spelling of 253536545 in words is "two hundred fifty-three million, five hundred thirty-six thousand, five hundred forty-five".