10258540 has 12 divisors (see below), whose sum is σ = 21542976. Its totient is φ = 4103408.

The previous prime is 10258517. The next prime is 10258543. The reversal of 10258540 is 4585201.

It is not an unprimeable number, because it can be changed into a prime (10258543) 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, 256444 + ... + 256483.

It is an arithmetic number, because the mean of its divisors is an integer number (1795248).

Almost surely, 2^10258540 is an apocalyptic number.

10258540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10258540 is an abundant number, since it is smaller than the sum of its proper divisors (11284436).

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

10258540 is a wasteful number, since it uses less digits than its factorization.

10258540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512936 (or 512934 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 10258540 is about 3202.8955649537. The cubic root of 10258540 is about 217.2843857886.

The spelling of 10258540 in words is "ten million, two hundred fifty-eight thousand, five hundred forty".