625433530 has 16 divisors (see below), whose sum is σ = 1135745064. Its totient is φ = 247959040.

The previous prime is 625433491. The next prime is 625433531. The reversal of 625433530 is 35334526.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 125955729 + 499477801 = 11223^2 + 22349^2 .

It is a junction number, because it is equal to n+sod(n) for n = 625433492 and 625433501.

It is not an unprimeable number, because it can be changed into a prime (625433531) 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, 275611 + ... + 277870.

Almost surely, 2^625433530 is an apocalyptic number.

625433530 is a deficient number, since it is larger than the sum of its proper divisors (510311534).

625433530 is a wasteful number, since it uses less digits than its factorization.

625433530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553601.

The product of its (nonzero) digits is 32400, while the sum is 31.

The square root of 625433530 is about 25008.6690969352. The cubic root of 625433530 is about 855.1856145468.

The spelling of 625433530 in words is "six hundred twenty-five million, four hundred thirty-three thousand, five hundred thirty".