425090801 has 4 divisors (see below), whose sum is σ = 425132400. Its totient is φ = 425049204.

The previous prime is 425090779. The next prime is 425090803. The reversal of 425090801 is 108090524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425090801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425090803) 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 in 3 ways as a sum of consecutive naturals, for example, 6290 + ... + 29828.

It is an arithmetic number, because the mean of its divisors is an integer number (106283100).

Almost surely, 2^425090801 is an apocalyptic number.

It is an amenable number.

425090801 is a deficient number, since it is larger than the sum of its proper divisors (41599).

425090801 is a wasteful number, since it uses less digits than its factorization.

425090801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41598.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 425090801 is about 20617.7302582025. The cubic root of 425090801 is about 751.9008382007.

The spelling of 425090801 in words is "four hundred twenty-five million, ninety thousand, eight hundred one".