10252840 has 32 divisors (see below), whose sum is σ = 24844680. Its totient is φ = 3785472.

The previous prime is 10252817. The next prime is 10252841. The reversal of 10252840 is 4825201.

It can be written as a sum of positive squares in 4 ways, for example, as 3709476 + 6543364 = 1926^2 + 2558^2 .

It is a super-3 number, since 3×10252840³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (10252841) 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, 9339 + ... + 10378.

Almost surely, 2^10252840 is an apocalyptic number.

10252840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10252840 is an abundant number, since it is smaller than the sum of its proper divisors (14591840).

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

10252840 is a wasteful number, since it uses less digits than its factorization.

10252840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19741 (or 19737 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 10252840 is about 3202.0056214816. The cubic root of 10252840 is about 217.2441347568.

The spelling of 10252840 in words is "ten million, two hundred fifty-two thousand, eight hundred forty".