253148437 has 2 divisors, whose sum is σ = 253148438. Its totient is φ = 253148436.

The previous prime is 253148431. The next prime is 253148443. The reversal of 253148437 is 734841352.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (253148431) and next prime (253148443).

It can be written as a sum of positive squares in only one way, i.e., 251729956 + 1418481 = 15866^2 + 1191^2 .

It is a cyclic number.

It is not a de Polignac number, because 253148437 - 2³ = 253148429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253148396 and 253148405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253148431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126574218 + 126574219.

It is an arithmetic number, because the mean of its divisors is an integer number (126574219).

Almost surely, 2^253148437 is an apocalyptic number.

It is an amenable number.

253148437 is a deficient number, since it is larger than the sum of its proper divisors (1).

253148437 is an equidigital number, since it uses as much as digits as its factorization.

253148437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 37.

The square root of 253148437 is about 15910.6391134989. The cubic root of 253148437 is about 632.5940218616.

Adding to 253148437 its reverse (734841352), we get a palindrome (987989789).

The spelling of 253148437 in words is "two hundred fifty-three million, one hundred forty-eight thousand, four hundred thirty-seven".