425450201 has 16 divisors (see below), whose sum is σ = 474298368. Its totient is φ = 378378000.

The previous prime is 425450191. The next prime is 425450209. The reversal of 425450201 is 102054524.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-425450201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425450209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109376 + ... + 113198.

It is an arithmetic number, because the mean of its divisors is an integer number (29643648).

Almost surely, 2^425450201 is an apocalyptic number.

It is an amenable number.

425450201 is a deficient number, since it is larger than the sum of its proper divisors (48848167).

425450201 is a wasteful number, since it uses less digits than its factorization.

425450201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4052.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 425450201 is about 20626.4442161028. Note that the first 3 decimals coincide. The cubic root of 425450201 is about 752.1126808146.

The spelling of 425450201 in words is "four hundred twenty-five million, four hundred fifty thousand, two hundred one".