253049906 has 8 divisors (see below), whose sum is σ = 379649820. Its totient is φ = 126499968.

The previous prime is 253049903. The next prime is 253049941. The reversal of 253049906 is 609940352.

253049906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 213422881 + 39627025 = 14609^2 + 6295^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 253049906.

It is not an unprimeable number, because it can be changed into a prime (253049903) 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, 5150 + ... + 23078.

Almost surely, 2^253049906 is an apocalyptic number.

253049906 is a deficient number, since it is larger than the sum of its proper divisors (126599914).

253049906 is a wasteful number, since it uses less digits than its factorization.

253049906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24988.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 253049906 is about 15907.5424249002. The cubic root of 253049906 is about 632.5119379917.

The spelling of 253049906 in words is "two hundred fifty-three million, forty-nine thousand, nine hundred six".