1015624425 has 24 divisors (see below), whose sum is σ = 1710854784. Its totient is φ = 531444160.

The previous prime is 1015624397. The next prime is 1015624427. The reversal of 1015624425 is 5244265101.

1015624425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1015624425 - 2⁷ = 1015624297 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1015624392 and 1015624401.

It is not an unprimeable number, because it can be changed into a prime (1015624427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123777 + ... + 131726.

It is an arithmetic number, because the mean of its divisors is an integer number (71285616).

Almost surely, 2^1015624425 is an apocalyptic number.

1015624425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1015624425 is a deficient number, since it is larger than the sum of its proper divisors (695230359).

1015624425 is a wasteful number, since it uses less digits than its factorization.

1015624425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255569 (or 255564 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1015624425 is about 31868.8629386114. The cubic root of 1015624425 is about 1005.1812499514.

Adding to 1015624425 its reverse (5244265101), we get a palindrome (6259889526).

The spelling of 1015624425 in words is "one billion, fifteen million, six hundred twenty-four thousand, four hundred twenty-five".