425502202505 has 16 divisors (see below), whose sum is σ = 512814821904. Its totient is φ = 338927493120.

The previous prime is 425502202501. The next prime is 425502202507. The reversal of 425502202505 is 505202205524.

It can be written as a sum of positive squares in 8 ways, for example, as 7327873609 + 418174328896 = 85603^2 + 646664^2 .

It is not a de Polignac number, because 425502202505 - 2² = 425502202501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425502202501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7264697 + ... + 7323033.

It is an arithmetic number, because the mean of its divisors is an integer number (32050926369).

Almost surely, 2^425502202505 is an apocalyptic number.

It is an amenable number.

425502202505 is a deficient number, since it is larger than the sum of its proper divisors (87312619399).

425502202505 is a wasteful number, since it uses less digits than its factorization.

425502202505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64636.

The product of its (nonzero) digits is 40000, while the sum is 32.

The spelling of 425502202505 in words is "four hundred twenty-five billion, five hundred two million, two hundred two thousand, five hundred five".