253487441 has 2 divisors, whose sum is σ = 253487442. Its totient is φ = 253487440.

The previous prime is 253487431. The next prime is 253487471. The reversal of 253487441 is 144784352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177449041 + 76038400 = 13321^2 + 8720^2 .

It is a cyclic number.

It is not a de Polignac number, because 253487441 - 2¹⁰ = 253486417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253487395 and 253487404.

It is not a weakly prime, because it can be changed into another prime (253487431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126743720 + 126743721.

It is an arithmetic number, because the mean of its divisors is an integer number (126743721).

Almost surely, 2^253487441 is an apocalyptic number.

It is an amenable number.

253487441 is a deficient number, since it is larger than the sum of its proper divisors (1).

253487441 is an equidigital number, since it uses as much as digits as its factorization.

253487441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 38.

The square root of 253487441 is about 15921.2889239534. The cubic root of 253487441 is about 632.8762755591.

The spelling of 253487441 in words is "two hundred fifty-three million, four hundred eighty-seven thousand, four hundred forty-one".