425621613 has 8 divisors (see below), whose sum is σ = 579570048. Its totient is φ = 277710464.

The previous prime is 425621597. The next prime is 425621621. The reversal of 425621613 is 316126524.

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 425621613 - 2⁴ = 425621597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425621653) 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 7 ways as a sum of consecutive naturals, for example, 1509156 + ... + 1509437.

It is an arithmetic number, because the mean of its divisors is an integer number (72446256).

Almost surely, 2^425621613 is an apocalyptic number.

It is an amenable number.

425621613 is a deficient number, since it is larger than the sum of its proper divisors (153948435).

425621613 is a wasteful number, since it uses less digits than its factorization.

425621613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018643.

The product of its digits is 8640, while the sum is 30.

The square root of 425621613 is about 20630.5989491338. The cubic root of 425621613 is about 752.2136748742.

The spelling of 425621613 in words is "four hundred twenty-five million, six hundred twenty-one thousand, six hundred thirteen".