1253098369 has 2 divisors, whose sum is σ = 1253098370. Its totient is φ = 1253098368.

The previous prime is 1253098313. The next prime is 1253098403. The reversal of 1253098369 is 9638903521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 969512769 + 283585600 = 31137^2 + 16840^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253098369 - 2¹³ = 1253090177 is a prime.

It is a super-2 number, since 2×1253098369² = 3140511044780920322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1253098669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626549184 + 626549185.

It is an arithmetic number, because the mean of its divisors is an integer number (626549185).

Almost surely, 2^1253098369 is an apocalyptic number.

It is an amenable number.

1253098369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253098369 is an equidigital number, since it uses as much as digits as its factorization.

1253098369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 1253098369 is about 35399.1294949466. The cubic root of 1253098369 is about 1078.1066418091.

The spelling of 1253098369 in words is "one billion, two hundred fifty-three million, ninety-eight thousand, three hundred sixty-nine".