425336641 has 4 divisors (see below), whose sum is σ = 447722800. Its totient is φ = 402950484.

The previous prime is 425336629. The next prime is 425336689. The reversal of 425336641 is 146633524.

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.

It is a cyclic number.

It is not a de Polignac number, because 425336641 - 2⁵ = 425336609 is a prime.

It is a super-2 number, since 2×425336641² = 361822516354325762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425336597 and 425336606.

It is not an unprimeable number, because it can be changed into a prime (425336621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11193051 + ... + 11193088.

It is an arithmetic number, because the mean of its divisors is an integer number (111930700).

Almost surely, 2^425336641 is an apocalyptic number.

It is an amenable number.

425336641 is a deficient number, since it is larger than the sum of its proper divisors (22386159).

425336641 is a wasteful number, since it uses less digits than its factorization.

425336641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22386158.

The product of its digits is 51840, while the sum is 34.

The square root of 425336641 is about 20623.6912554470. The cubic root of 425336641 is about 752.0457575758.

The spelling of 425336641 in words is "four hundred twenty-five million, three hundred thirty-six thousand, six hundred forty-one".