425117501 has 2 divisors, whose sum is σ = 425117502. Its totient is φ = 425117500.

The previous prime is 425117443. The next prime is 425117507. The reversal of 425117501 is 105711524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422261401 + 2856100 = 20549^2 + 1690^2 .

It is a cyclic number.

It is not a de Polignac number, because 425117501 - 2¹⁰ = 425116477 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425117507) 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 as a sum of consecutive naturals, namely, 212558750 + 212558751.

It is an arithmetic number, because the mean of its divisors is an integer number (212558751).

Almost surely, 2^425117501 is an apocalyptic number.

It is an amenable number.

425117501 is a deficient number, since it is larger than the sum of its proper divisors (1).

425117501 is an equidigital number, since it uses as much as digits as its factorization.

425117501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 425117501 is about 20618.3777489889. The cubic root of 425117501 is about 751.9165801959.

The spelling of 425117501 in words is "four hundred twenty-five million, one hundred seventeen thousand, five hundred one".