625005523251342 has 48 divisors (see below), whose sum is σ = 1354698250568208. Its totient is φ = 208255247544960.

The previous prime is 625005523251283. The next prime is 625005523251353. The reversal of 625005523251342 is 243152325500526.

625005523251342 is a `hidden beast` number, since 6 + 2 + 5 + 0 + 0 + 5 + 52 + 3 + 251 + 342 = 666.

It is a super-3 number, since 3×625005523251342³ (a number of 45 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 533360592 + ... + 534531132.

It is an arithmetic number, because the mean of its divisors is an integer number (28222880220171).

Almost surely, 2^{625005523251342} is an apocalyptic number.

625005523251342 is an abundant number, since it is smaller than the sum of its proper divisors (729692727316866).

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

625005523251342 is a wasteful number, since it uses less digits than its factorization.

625005523251342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181905 (or 1181902 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 45.

Adding to 625005523251342 its reverse (243152325500526), we get a palindrome (868157848751868).

The spelling of 625005523251342 in words is "six hundred twenty-five trillion, five billion, five hundred twenty-three million, two hundred fifty-one thousand, three hundred forty-two".