245344501 has 4 divisors (see below), whose sum is σ = 249366604. Its totient is φ = 241322400.

The previous prime is 245344471. The next prime is 245344537. The reversal of 245344501 is 105443542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 105443542 = 2 ⋅52721771.

It can be written as a sum of positive squares in 2 ways, for example, as 121022001 + 124322500 = 11001^2 + 11150^2 .

It is a cyclic number.

It is not a de Polignac number, because 245344501 - 2⁵ = 245344469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245344501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245344201) 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, 2010960 + ... + 2011081.

It is an arithmetic number, because the mean of its divisors is an integer number (62341651).

Almost surely, 2^245344501 is an apocalyptic number.

It is an amenable number.

245344501 is a deficient number, since it is larger than the sum of its proper divisors (4022103).

245344501 is an equidigital number, since it uses as much as digits as its factorization.

245344501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022102.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 245344501 is about 15663.4766574985. The cubic root of 245344501 is about 626.0256235535.

The spelling of 245344501 in words is "two hundred forty-five million, three hundred forty-four thousand, five hundred one".