10505450 has 12 divisors (see below), whose sum is σ = 19540230. Its totient is φ = 4202160.

The previous prime is 10505449. The next prime is 10505477. The reversal of 10505450 is 5450501.

It can be written as a sum of positive squares in 3 ways, for example, as 9616201 + 889249 = 3101^2 + 943^2 .

It is a super-2 number, since 2×10505450² = 220728959405000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105005 + ... + 105104.

Almost surely, 2^10505450 is an apocalyptic number.

10505450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10505450 is a deficient number, since it is larger than the sum of its proper divisors (9034780).

10505450 is a wasteful number, since it uses less digits than its factorization.

10505450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210121 (or 210116 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 10505450 is about 3241.2111933658. The cubic root of 10505450 is about 219.0138367577.

Adding to 10505450 its reverse (5450501), we get a palindrome (15955951).

The spelling of 10505450 in words is "ten million, five hundred five thousand, four hundred fifty".