253565741 has 12 divisors (see below), whose sum is σ = 299534400. Its totient is φ = 212780880.

The previous prime is 253565737. The next prime is 253565743. The reversal of 253565741 is 147565352.

It is a happy number.

It is not a de Polignac number, because 253565741 - 2² = 253565737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253565695 and 253565704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253565743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66341 + ... + 70058.

It is an arithmetic number, because the mean of its divisors is an integer number (24961200).

Almost surely, 2^253565741 is an apocalyptic number.

It is an amenable number.

253565741 is a deficient number, since it is larger than the sum of its proper divisors (45968659).

253565741 is a wasteful number, since it uses less digits than its factorization.

253565741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136436 (or 136423 counting only the distinct ones).

The product of its digits is 126000, while the sum is 38.

The square root of 253565741 is about 15923.7477058637. The cubic root of 253565741 is about 632.9414321217.

The spelling of 253565741 in words is "two hundred fifty-three million, five hundred sixty-five thousand, seven hundred forty-one".