245202002405 has 8 divisors (see below), whose sum is σ = 294587358072. Its totient is φ = 195931631808.

The previous prime is 245202002399. The next prime is 245202002413. The reversal of 245202002405 is 504200202542.

It can be written as a sum of positive squares in 4 ways, for example, as 27264284161 + 217937718244 = 165119^2 + 466838^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245202002405 - 2¹⁸ = 245201740261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28741574 + ... + 28750103.

It is an arithmetic number, because the mean of its divisors is an integer number (36823419759).

Almost surely, 2^245202002405 is an apocalyptic number.

It is an amenable number.

245202002405 is a deficient number, since it is larger than the sum of its proper divisors (49385355667).

245202002405 is an equidigital number, since it uses as much as digits as its factorization.

245202002405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57492535.

The product of its (nonzero) digits is 6400, while the sum is 26.

Adding to 245202002405 its reverse (504200202542), we get a palindrome (749402204947).

The spelling of 245202002405 in words is "two hundred forty-five billion, two hundred two million, two thousand, four hundred five".