253668141 has 6 divisors (see below), whose sum is σ = 366409550. Its totient is φ = 169112088.

The previous prime is 253668119. The next prime is 253668251. The reversal of 253668141 is 141866352.

It is a happy number.

253668141 is a `hidden beast` number, since 2 + 536 + 6 + 81 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 249482025 + 4186116 = 15795^2 + 2046^2 .

It is not a de Polignac number, because 253668141 - 2¹⁵ = 253635373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253668096 and 253668105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253666141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14092666 + ... + 14092683.

Almost surely, 2^253668141 is an apocalyptic number.

It is an amenable number.

253668141 is a deficient number, since it is larger than the sum of its proper divisors (112741409).

253668141 is a wasteful number, since it uses less digits than its factorization.

253668141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28185355 (or 28185352 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 253668141 is about 15926.9627047972. The cubic root of 253668141 is about 633.0266230202.

The spelling of 253668141 in words is "two hundred fifty-three million, six hundred sixty-eight thousand, one hundred forty-one".