1025551330 has 16 divisors (see below), whose sum is σ = 1846437120. Its totient is φ = 410121712.

The previous prime is 1025551297. The next prime is 1025551339. The reversal of 1025551330 is 331555201.

1025551330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1025551295 and 1025551304.

It is not an unprimeable number, because it can be changed into a prime (1025551339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43077 + ... + 62503.

It is an arithmetic number, because the mean of its divisors is an integer number (115402320).

Almost surely, 2^1025551330 is an apocalyptic number.

1025551330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025551330 is a deficient number, since it is larger than the sum of its proper divisors (820885790).

1025551330 is a wasteful number, since it uses less digits than its factorization.

1025551330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24713.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 1025551330 is about 32024.2303576526. The cubic root of 1025551330 is about 1008.4455813539.

The spelling of 1025551330 in words is "one billion, twenty-five million, five hundred fifty-one thousand, three hundred thirty".