10259780 has 12 divisors (see below), whose sum is σ = 21545580. Its totient is φ = 4103904.

The previous prime is 10259761. The next prime is 10259783. The reversal of 10259780 is 8795201.

It can be written as a sum of positive squares in 2 ways, for example, as 7706176 + 2553604 = 2776^2 + 1598^2 .

It is not an unprimeable number, because it can be changed into a prime (10259783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256475 + ... + 256514.

It is an arithmetic number, because the mean of its divisors is an integer number (1795465).

Almost surely, 2^10259780 is an apocalyptic number.

10259780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10259780 is an abundant number, since it is smaller than the sum of its proper divisors (11285800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10259780 is a wasteful number, since it uses less digits than its factorization.

10259780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512998 (or 512996 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 10259780 is about 3203.0891339455. The cubic root of 10259780 is about 217.2931401787.

The spelling of 10259780 in words is "ten million, two hundred fifty-nine thousand, seven hundred eighty".