2485420247 has 4 divisors (see below), whose sum is σ = 2631621456. Its totient is φ = 2339219040.

The previous prime is 2485420241. The next prime is 2485420261. The reversal of 2485420247 is 7420245842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7420245842 = 2 ⋅3710122921.

It is not a de Polignac number, because 2485420247 - 2⁶ = 2485420183 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 2485420247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2485420241) 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, 73100579 + ... + 73100612.

It is an arithmetic number, because the mean of its divisors is an integer number (657905364).

Almost surely, 2^2485420247 is an apocalyptic number.

2485420247 is a deficient number, since it is larger than the sum of its proper divisors (146201209).

2485420247 is a wasteful number, since it uses less digits than its factorization.

2485420247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146201208.

The product of its (nonzero) digits is 143360, while the sum is 38.

The square root of 2485420247 is about 49853.9892786926. The cubic root of 2485420247 is about 1354.5652934864.

The spelling of 2485420247 in words is "two billion, four hundred eighty-five million, four hundred twenty thousand, two hundred forty-seven".