253449499 has 4 divisors (see below), whose sum is σ = 255384360. Its totient is φ = 251514640.

The previous prime is 253449491. The next prime is 253449527. The reversal of 253449499 is 994944352.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253449499 - 2³ = 253449491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253449491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 967234 + ... + 967495.

It is an arithmetic number, because the mean of its divisors is an integer number (63846090).

Almost surely, 2^253449499 is an apocalyptic number.

253449499 is a deficient number, since it is larger than the sum of its proper divisors (1934861).

253449499 is a wasteful number, since it uses less digits than its factorization.

253449499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934860.

The product of its digits is 1399680, while the sum is 49.

The square root of 253449499 is about 15920.0973301045. The cubic root of 253449499 is about 632.8446976767.

It can be divided in two parts, 25344 and 9499, that added together give a palindrome (34843).

The spelling of 253449499 in words is "two hundred fifty-three million, four hundred forty-nine thousand, four hundred ninety-nine".