245530903 has 4 divisors (see below), whose sum is σ = 251240968. Its totient is φ = 239820840.

The previous prime is 245530891. The next prime is 245530913. The reversal of 245530903 is 309035542.

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 245530903 - 2⁵ = 245530871 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 (245530913) 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, 2854968 + ... + 2855053.

It is an arithmetic number, because the mean of its divisors is an integer number (62810242).

Almost surely, 2^245530903 is an apocalyptic number.

245530903 is a deficient number, since it is larger than the sum of its proper divisors (5710065).

245530903 is an equidigital number, since it uses as much as digits as its factorization.

245530903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5710064.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 245530903 is about 15669.4257393180. The cubic root of 245530903 is about 626.1841256973.

The spelling of 245530903 in words is "two hundred forty-five million, five hundred thirty thousand, nine hundred three".