425365601 has 4 divisors (see below), whose sum is σ = 439087104. Its totient is φ = 411644100.

The previous prime is 425365573. The next prime is 425365609. The reversal of 425365601 is 106563524.

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 425365601 - 2¹⁴ = 425349217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425365609) 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, 6860705 + ... + 6860766.

It is an arithmetic number, because the mean of its divisors is an integer number (109771776).

Almost surely, 2^425365601 is an apocalyptic number.

It is an amenable number.

425365601 is a deficient number, since it is larger than the sum of its proper divisors (13721503).

425365601 is a wasteful number, since it uses less digits than its factorization.

425365601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13721502.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 425365601 is about 20624.3933486539. The cubic root of 425365601 is about 752.0628254296.

The spelling of 425365601 in words is "four hundred twenty-five million, three hundred sixty-five thousand, six hundred one".