253148537 has 2 divisors, whose sum is σ = 253148538. Its totient is φ = 253148536.

The previous prime is 253148509. The next prime is 253148549. The reversal of 253148537 is 735841352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163353961 + 89794576 = 12781^2 + 9476^2 .

It is a cyclic number.

It is not a de Polignac number, because 253148537 - 2¹⁰ = 253147513 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253148537.

It is not a weakly prime, because it can be changed into another prime (253148587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126574268 + 126574269.

It is an arithmetic number, because the mean of its divisors is an integer number (126574269).

Almost surely, 2^253148537 is an apocalyptic number.

It is an amenable number.

253148537 is a deficient number, since it is larger than the sum of its proper divisors (1).

253148537 is an equidigital number, since it uses as much as digits as its factorization.

253148537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 38.

The square root of 253148537 is about 15910.6422560499. The cubic root of 253148537 is about 632.5941051584.

Adding to 253148537 its reverse (735841352), we get a palindrome (988989889).

The spelling of 253148537 in words is "two hundred fifty-three million, one hundred forty-eight thousand, five hundred thirty-seven".