253297 has 4 divisors (see below), whose sum is σ = 276336. Its totient is φ = 230260.

The previous prime is 253273. The next prime is 253307. The reversal of 253297 is 792352.

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 a cyclic number.

It is not a de Polignac number, because 253297 - 2¹⁵ = 220529 is a prime.

It is a Duffinian number.

253297 is a modest number, since divided by 297 gives 253 as remainder.

253297 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (253247) 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, 11503 + ... + 11524.

It is an arithmetic number, because the mean of its divisors is an integer number (69084).

2²⁵³²⁹⁷ is an apocalyptic number.

It is an amenable number.

253297 is a deficient number, since it is larger than the sum of its proper divisors (23039).

253297 is a wasteful number, since it uses less digits than its factorization.

253297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23038.

The product of its digits is 3780, while the sum is 28.

The square root of 253297 is about 503.2862008838. The cubic root of 253297 is about 63.2717745961.

The spelling of 253297 in words is "two hundred fifty-three thousand, two hundred ninety-seven".