1025550634 has 16 divisors (see below), whose sum is σ = 1606230720. Its totient is φ = 490168800.

The previous prime is 1025550629. The next prime is 1025550641. The reversal of 1025550634 is 4360555201.

It is a junction number, because it is equal to n+sod(n) for n = 1025550596 and 1025550605.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 76657 + ... + 89035.

It is an arithmetic number, because the mean of its divisors is an integer number (100389420).

Almost surely, 2^1025550634 is an apocalyptic number.

1025550634 is a deficient number, since it is larger than the sum of its proper divisors (580680086).

1025550634 is a wasteful number, since it uses less digits than its factorization.

1025550634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14205.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1025550634 is about 32024.2194908791. The cubic root of 1025550634 is about 1008.4453532235.

It can be divided in two parts, 102 and 5550634, that added together give a square (5550736 = 2356²).

The spelling of 1025550634 in words is "one billion, twenty-five million, five hundred fifty thousand, six hundred thirty-four".