245404601 has 4 divisors (see below), whose sum is σ = 264281892. Its totient is φ = 226527312.

The previous prime is 245404597. The next prime is 245404603. The reversal of 245404601 is 106404542.

245404601 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.

It can be written as a sum of positive squares in 2 ways, for example, as 151314601 + 94090000 = 12301^2 + 9700^2 .

It is a cyclic number.

It is not a de Polignac number, because 245404601 - 2² = 245404597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245404603) 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, 9438626 + ... + 9438651.

It is an arithmetic number, because the mean of its divisors is an integer number (66070473).

Almost surely, 2^245404601 is an apocalyptic number.

It is an amenable number.

245404601 is a deficient number, since it is larger than the sum of its proper divisors (18877291).

245404601 is a wasteful number, since it uses less digits than its factorization.

245404601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18877290.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 245404601 is about 15665.3950157664. The cubic root of 245404601 is about 626.0767368086.

The spelling of 245404601 in words is "two hundred forty-five million, four hundred four thousand, six hundred one".