425323501 has 2 divisors, whose sum is σ = 425323502. Its totient is φ = 425323500.

The previous prime is 425323489. The next prime is 425323523. The reversal of 425323501 is 105323524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 297045225 + 128278276 = 17235^2 + 11326^2 .

It is a cyclic number.

It is not a de Polignac number, because 425323501 - 2¹³ = 425315309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425323001) by changing a digit.

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 as a sum of consecutive naturals, namely, 212661750 + 212661751.

It is an arithmetic number, because the mean of its divisors is an integer number (212661751).

Almost surely, 2^425323501 is an apocalyptic number.

It is an amenable number.

425323501 is a deficient number, since it is larger than the sum of its proper divisors (1).

425323501 is an equidigital number, since it uses as much as digits as its factorization.

425323501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 425323501 is about 20623.3726873177. The cubic root of 425323501 is about 752.0380131352.

The spelling of 425323501 in words is "four hundred twenty-five million, three hundred twenty-three thousand, five hundred one".