245313001 has 4 divisors (see below), whose sum is σ = 253772100. Its totient is φ = 236853904.

The previous prime is 245312993. The next prime is 245313017. The reversal of 245313001 is 100313542.

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 39677401 + 205635600 = 6299^2 + 14340^2 .

It is not a de Polignac number, because 245313001 - 2³ = 245312993 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 245313001.

It is not an unprimeable number, because it can be changed into a prime (245313301) 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, 4229506 + ... + 4229563.

It is an arithmetic number, because the mean of its divisors is an integer number (63443025).

Almost surely, 2^245313001 is an apocalyptic number.

It is an amenable number.

245313001 is a deficient number, since it is larger than the sum of its proper divisors (8459099).

245313001 is an equidigital number, since it uses as much as digits as its factorization.

245313001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8459098.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 245313001 is about 15662.4711013301. The cubic root of 245313001 is about 625.9988304102.

Adding to 245313001 its reverse (100313542), we get a palindrome (345626543).

It can be divided in two parts, 24 and 5313001, that added together give a square (5313025 = 2305²).

The spelling of 245313001 in words is "two hundred forty-five million, three hundred thirteen thousand, one".