245648501 has 4 divisors (see below), whose sum is σ = 280741152. Its totient is φ = 210555852.

The previous prime is 245648497. The next prime is 245648503. The reversal of 245648501 is 105846542.

245648501 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, and also an emirpimes, since its reverse is a distinct semiprime: 105846542 = 2 ⋅52923271.

It is a cyclic number.

It is not a de Polignac number, because 245648501 - 2² = 245648497 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 (245648503) 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, 17546315 + ... + 17546328.

It is an arithmetic number, because the mean of its divisors is an integer number (70185288).

Almost surely, 2^245648501 is an apocalyptic number.

It is an amenable number.

245648501 is a deficient number, since it is larger than the sum of its proper divisors (35092651).

245648501 is an equidigital number, since it uses as much as digits as its factorization.

245648501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35092650.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 245648501 is about 15673.1777569196. The cubic root of 245648501 is about 626.2840808647.

The spelling of 245648501 in words is "two hundred forty-five million, six hundred forty-eight thousand, five hundred one".