625140452 has 12 divisors (see below), whose sum is σ = 1100547840. Its totient is φ = 310698216.

The previous prime is 625140449. The next prime is 625140457. The reversal of 625140452 is 254041526.

It is not an unprimeable number, because it can be changed into a prime (625140457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467252 + ... + 468587.

It is an arithmetic number, because the mean of its divisors is an integer number (91712320).

Almost surely, 2^625140452 is an apocalyptic number.

It is an amenable number.

625140452 is a deficient number, since it is larger than the sum of its proper divisors (475407388).

625140452 is a wasteful number, since it uses less digits than its factorization.

625140452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936010 (or 936008 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 625140452 is about 25002.8088822036. The cubic root of 625140452 is about 855.0520137526.

Adding to 625140452 its reverse (254041526), we get a palindrome (879181978).

The spelling of 625140452 in words is "six hundred twenty-five million, one hundred forty thousand, four hundred fifty-two".