10502505 has 36 divisors (see below), whose sum is σ = 19726668. Its totient is φ = 5166720.

The previous prime is 10502489. The next prime is 10502507. The reversal of 10502505 is 50520501.

It can be written as a sum of positive squares in 6 ways, for example, as 2277081 + 8225424 = 1509^2 + 2868^2 .

It is not a de Polignac number, because 10502505 - 2⁴ = 10502489 is a prime.

It is a super-2 number, since 2×10502505² = 220605222550050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10502507) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6915 + ... + 8295.

It is an arithmetic number, because the mean of its divisors is an integer number (547963).

Almost surely, 2^10502505 is an apocalyptic number.

10502505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10502505 is a deficient number, since it is larger than the sum of its proper divisors (9224163).

10502505 is a wasteful number, since it uses less digits than its factorization.

10502505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418 (or 1402 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 10502505 is about 3240.7568560446. The cubic root of 10502505 is about 218.9933694121.

The spelling of 10502505 in words is "ten million, five hundred two thousand, five hundred five".