253148501 has 2 divisors, whose sum is σ = 253148502. Its totient is φ = 253148500.

The previous prime is 253148477. The next prime is 253148503. The reversal of 253148501 is 105841352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164506276 + 88642225 = 12826^2 + 9415^2 .

It is a cyclic number.

It is not a de Polignac number, because 253148501 - 2⁶ = 253148437 is a prime.

It is a Sophie Germain prime.

Together with 253148503, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253148503) 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 as a sum of consecutive naturals, namely, 126574250 + 126574251.

It is an arithmetic number, because the mean of its divisors is an integer number (126574251).

Almost surely, 2^253148501 is an apocalyptic number.

It is an amenable number.

253148501 is a deficient number, since it is larger than the sum of its proper divisors (1).

253148501 is an equidigital number, since it uses as much as digits as its factorization.

253148501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 253148501 is about 15910.6411247316. The cubic root of 253148501 is about 632.5940751715.

Adding to 253148501 its reverse (105841352), we get a palindrome (358989853).

The spelling of 253148501 in words is "two hundred fifty-three million, one hundred forty-eight thousand, five hundred one".