253583149 has 2 divisors, whose sum is σ = 253583150. Its totient is φ = 253583148.

The previous prime is 253583147. The next prime is 253583171. The reversal of 253583149 is 941385352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252333225 + 1249924 = 15885^2 + 1118^2 .

It is a cyclic number.

It is not a de Polignac number, because 253583149 - 2¹ = 253583147 is a prime.

Together with 253583147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253583147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126791574 + 126791575.

It is an arithmetic number, because the mean of its divisors is an integer number (126791575).

Almost surely, 2^253583149 is an apocalyptic number.

It is an amenable number.

253583149 is a deficient number, since it is larger than the sum of its proper divisors (1).

253583149 is an equidigital number, since it uses as much as digits as its factorization.

253583149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 40.

The square root of 253583149 is about 15924.2943014753. The cubic root of 253583149 is about 632.9559161924.

The spelling of 253583149 in words is "two hundred fifty-three million, five hundred eighty-three thousand, one hundred forty-nine".