253350057 has 4 divisors (see below), whose sum is σ = 337800080. Its totient is φ = 168900036.

The previous prime is 253350007. The next prime is 253350059. The reversal of 253350057 is 750053352.

253350057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 253350057 - 2¹¹ = 253348009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253350059) 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, 42225007 + ... + 42225012.

It is an arithmetic number, because the mean of its divisors is an integer number (84450020).

Almost surely, 2^253350057 is an apocalyptic number.

It is an amenable number.

253350057 is a deficient number, since it is larger than the sum of its proper divisors (84450023).

253350057 is an equidigital number, since it uses as much as digits as its factorization.

253350057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84450022.

The product of its (nonzero) digits is 15750, while the sum is 30.

The square root of 253350057 is about 15916.9738644002. The cubic root of 253350057 is about 632.7619204043.

The spelling of 253350057 in words is "two hundred fifty-three million, three hundred fifty thousand, fifty-seven".