245887253 has 4 divisors (see below), whose sum is σ = 249557280. Its totient is φ = 242217228.

The previous prime is 245887249. The next prime is 245887267. The reversal of 245887253 is 352788542.

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 245887253 - 2² = 245887249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245887223) 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, 1834913 + ... + 1835046.

It is an arithmetic number, because the mean of its divisors is an integer number (62389320).

Almost surely, 2^245887253 is an apocalyptic number.

It is an amenable number.

245887253 is a deficient number, since it is larger than the sum of its proper divisors (3670027).

245887253 is an equidigital number, since it uses as much as digits as its factorization.

245887253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670026.

The product of its digits is 537600, while the sum is 44.

The square root of 245887253 is about 15680.7924863509. The cubic root of 245887253 is about 626.4869156192.

The spelling of 245887253 in words is "two hundred forty-five million, eight hundred eighty-seven thousand, two hundred fifty-three".