253441140245 has 8 divisors (see below), whose sum is σ = 304427248440. Its totient is φ = 202554325440.

The previous prime is 253441140241. The next prime is 253441140287. The reversal of 253441140245 is 542041144352.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 107218263364 + 146222876881 = 327442^2 + 382391^2 .

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

It is not a de Polignac number, because 253441140245 - 2² = 253441140241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253441140241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24817730 + ... + 24827939.

It is an arithmetic number, because the mean of its divisors is an integer number (38053406055).

Almost surely, 2^253441140245 is an apocalyptic number.

It is an amenable number.

253441140245 is a deficient number, since it is larger than the sum of its proper divisors (50986108195).

253441140245 is a wasteful number, since it uses less digits than its factorization.

253441140245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49646695.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 253441140245 its reverse (542041144352), we get a palindrome (795482284597).

The spelling of 253441140245 in words is "two hundred fifty-three billion, four hundred forty-one million, one hundred forty thousand, two hundred forty-five".