1253379241 has 2 divisors, whose sum is σ = 1253379242. Its totient is φ = 1253379240.

The previous prime is 1253379233. The next prime is 1253379269. The reversal of 1253379241 is 1429733521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1247149225 + 6230016 = 35315^2 + 2496^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253379241 - 2³ = 1253379233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1253379241.

It is not a weakly prime, because it can be changed into another prime (1253379271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626689620 + 626689621.

It is an arithmetic number, because the mean of its divisors is an integer number (626689621).

Almost surely, 2^1253379241 is an apocalyptic number.

It is an amenable number.

1253379241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253379241 is an equidigital number, since it uses as much as digits as its factorization.

1253379241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The square root of 1253379241 is about 35403.0964888666. The cubic root of 1253379241 is about 1078.1871854586.

The spelling of 1253379241 in words is "one billion, two hundred fifty-three million, three hundred seventy-nine thousand, two hundred forty-one".