425404201 has 2 divisors, whose sum is σ = 425404202. Its totient is φ = 425404200.

The previous prime is 425404169. The next prime is 425404229. The reversal of 425404201 is 102404524.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 380835225 + 44568976 = 19515^2 + 6676^2 .

It is a cyclic number.

It is not a de Polignac number, because 425404201 - 2⁵ = 425404169 is a prime.

It is a super-3 number, since 3×425404201³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (425404241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212702100 + 212702101.

It is an arithmetic number, because the mean of its divisors is an integer number (212702101).

Almost surely, 2^425404201 is an apocalyptic number.

It is an amenable number.

425404201 is a deficient number, since it is larger than the sum of its proper divisors (1).

425404201 is an equidigital number, since it uses as much as digits as its factorization.

425404201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 425404201 is about 20625.3291125257. The cubic root of 425404201 is about 752.0855735056.

Adding to 425404201 its reverse (102404524), we get a palindrome (527808725).

The spelling of 425404201 in words is "four hundred twenty-five million, four hundred four thousand, two hundred one".