1025617730 has 16 divisors (see below), whose sum is σ = 1847074104. Its totient is φ = 410033280.

The previous prime is 1025617727. The next prime is 1025617751. The reversal of 1025617730 is 377165201.

1025617730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 882743521 + 142874209 = 29711^2 + 11953^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5801 + ... + 45660.

Almost surely, 2^1025617730 is an apocalyptic number.

1025617730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025617730 is a deficient number, since it is larger than the sum of its proper divisors (821456374).

1025617730 is a wasteful number, since it uses less digits than its factorization.

1025617730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53461.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 1025617730 is about 32025.2670558732. The cubic root of 1025617730 is about 1008.4673450432.

The spelling of 1025617730 in words is "one billion, twenty-five million, six hundred seventeen thousand, seven hundred thirty".