425603401 has 8 divisors (see below), whose sum is σ = 448515680. Its totient is φ = 402742368.

The previous prime is 425603393. The next prime is 425603447. The reversal of 425603401 is 104306524.

425603401 = 180² + 181² + ... + 1086².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425603401 - 2³ = 425603393 is a prime.

It is a super-2 number, since 2×425603401² = 362276509885533602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425603491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4885 + ... + 29581.

It is an arithmetic number, because the mean of its divisors is an integer number (56064460).

Almost surely, 2^425603401 is an apocalyptic number.

It is an amenable number.

425603401 is a deficient number, since it is larger than the sum of its proper divisors (22912279).

425603401 is a wasteful number, since it uses less digits than its factorization.

425603401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25623.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 425603401 is about 20630.1575612015. The cubic root of 425603401 is about 752.2029458523.

Adding to 425603401 its reverse (104306524), we get a palindrome (529909925).

The spelling of 425603401 in words is "four hundred twenty-five million, six hundred three thousand, four hundred one".