253240299 has 12 divisors (see below), whose sum is σ = 393929536. Its totient is φ = 155840112.

The previous prime is 253240297. The next prime is 253240343. The reversal of 253240299 is 992042352.

It is not a de Polignac number, because 253240299 - 2¹ = 253240297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253240297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1082107 + ... + 1082340.

Almost surely, 2^253240299 is an apocalyptic number.

253240299 is a deficient number, since it is larger than the sum of its proper divisors (140689237).

253240299 is a wasteful number, since it uses less digits than its factorization.

253240299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164466 (or 2164463 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 253240299 is about 15913.5256621529. The cubic root of 253240299 is about 632.6705307602.

The spelling of 253240299 in words is "two hundred fifty-three million, two hundred forty thousand, two hundred ninety-nine".