425090001 has 16 divisors (see below), whose sum is σ = 648198144. Its totient is φ = 242742864.

The previous prime is 425089963. The next prime is 425090053. The reversal of 425090001 is 100090524.

It is not a de Polignac number, because 425090001 - 2¹⁸ = 424827857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 425090001.

It is not an unprimeable number, because it can be changed into a prime (425090101) 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, 28936 + ... + 41078.

It is an arithmetic number, because the mean of its divisors is an integer number (40512384).

Almost surely, 2^425090001 is an apocalyptic number.

It is an amenable number.

425090001 is a deficient number, since it is larger than the sum of its proper divisors (223108143).

425090001 is a wasteful number, since it uses less digits than its factorization.

425090001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13820.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 425090001 is about 20617.7108574158. The cubic root of 425090001 is about 751.9003665203.

The spelling of 425090001 in words is "four hundred twenty-five million, ninety thousand, one".