425516652 has 240 divisors, whose sum is σ = 1317254400. Its totient is φ = 118419840.

The previous prime is 425516639. The next prime is 425516653. The reversal of 425516652 is 256615524.

425516652 is a `hidden beast` number, since 42 + 551 + 6 + 65 + 2 = 666.

It is a super-2 number, since 2×425516652² = 362128842258578208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (425516653) 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 79 ways as a sum of consecutive naturals, for example, 2377099 + ... + 2377277.

It is an arithmetic number, because the mean of its divisors is an integer number (5488560).

Almost surely, 2^425516652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425516652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658627200).

425516652 is an abundant number, since it is smaller than the sum of its proper divisors (891737748).

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

425516652 is a wasteful number, since it uses less digits than its factorization.

425516652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 247 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 425516652 is about 20628.0549737487. The cubic root of 425516652 is about 752.1518362299.

The spelling of 425516652 in words is "four hundred twenty-five million, five hundred sixteen thousand, six hundred fifty-two".