10242555 has 16 divisors (see below), whose sum is σ = 16917504. Its totient is φ = 5286240.

The previous prime is 10242553. The next prime is 10242581. The reversal of 10242555 is 55524201.

It is a happy number.

It is not a de Polignac number, because 10242555 - 2¹ = 10242553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10242553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10549 + ... + 11478.

It is an arithmetic number, because the mean of its divisors is an integer number (1057344).

Almost surely, 2^10242555 is an apocalyptic number.

10242555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10242555 is a deficient number, since it is larger than the sum of its proper divisors (6674949).

10242555 is a wasteful number, since it uses less digits than its factorization.

10242555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22066.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 10242555 is about 3200.3991938507. The cubic root of 10242555 is about 217.1714685991.

Adding to 10242555 its reverse (55524201), we get a palindrome (65766756).

The spelling of 10242555 in words is "ten million, two hundred forty-two thousand, five hundred fifty-five".