425552694 has 64 divisors (see below), whose sum is σ = 1000484352. Its totient is φ = 118137600.

The previous prime is 425552683. The next prime is 425552707. The reversal of 425552694 is 496255524.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 724669 + ... + 725255.

It is an arithmetic number, because the mean of its divisors is an integer number (15632568).

Almost surely, 2^425552694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425552694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (500242176).

425552694 is an abundant number, since it is smaller than the sum of its proper divisors (574931658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425552694 is a wasteful number, since it uses less digits than its factorization.

425552694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061.

The product of its digits is 432000, while the sum is 42.

The square root of 425552694 is about 20628.9285713049. The cubic root of 425552694 is about 752.1730718197.

The spelling of 425552694 in words is "four hundred twenty-five million, five hundred fifty-two thousand, six hundred ninety-four".