2420899825 has 12 divisors (see below), whose sum is σ = 3083049820. Its totient is φ = 1884375360.

The previous prime is 2420899813. The next prime is 2420899837. The reversal of 2420899825 is 5289980242.

It is an interprime number because it is at equal distance from previous prime (2420899813) and next prime (2420899837).

It can be written as a sum of positive squares in 6 ways, for example, as 453178944 + 1967720881 = 21288^2 + 44359^2 .

It is not a de Polignac number, because 2420899825 - 2⁷ = 2420899697 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1307670 + ... + 1309519.

Almost surely, 2^2420899825 is an apocalyptic number.

2420899825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2420899825 is a deficient number, since it is larger than the sum of its proper divisors (662149995).

2420899825 is a wasteful number, since it uses less digits than its factorization.

2420899825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617236 (or 2617231 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 2420899825 is about 49202.6404271153. The cubic root of 2420899825 is about 1342.7410708136.

The spelling of 2420899825 in words is "two billion, four hundred twenty million, eight hundred ninety-nine thousand, eight hundred twenty-five".