253835541 has 6 divisors (see below), whose sum is σ = 366651350. Its totient is φ = 169223688.

The previous prime is 253835539. The next prime is 253835587. The reversal of 253835541 is 145538352.

253835541 is a `hidden beast` number, since 25 + 3 + 83 + 554 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 188952516 + 64883025 = 13746^2 + 8055^2 .

It is not a de Polignac number, because 253835541 - 2¹ = 253835539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253835496 and 253835505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253835501) 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 5 ways as a sum of consecutive naturals, for example, 14101966 + ... + 14101983.

Almost surely, 2^253835541 is an apocalyptic number.

It is an amenable number.

253835541 is a deficient number, since it is larger than the sum of its proper divisors (112815809).

253835541 is a wasteful number, since it uses less digits than its factorization.

253835541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28203955 (or 28203952 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 253835541 is about 15932.2170773562. The cubic root of 253835541 is about 633.1658408116.

The spelling of 253835541 in words is "two hundred fifty-three million, eight hundred thirty-five thousand, five hundred forty-one".