10202725 has 12 divisors (see below), whose sum is σ = 13624996. Its totient is φ = 7534080.

The previous prime is 10202723. The next prime is 10202729. The reversal of 10202725 is 52720201.

It can be written as a sum of positive squares in 6 ways, for example, as 1089 + 10201636 = 33^2 + 3194^2 .

It is not a de Polignac number, because 10202725 - 2¹ = 10202723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15372 + ... + 16021.

Almost surely, 2^10202725 is an apocalyptic number.

It is an amenable number.

10202725 is a deficient number, since it is larger than the sum of its proper divisors (3422271).

10202725 is a wasteful number, since it uses less digits than its factorization.

10202725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31416 (or 31411 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 10202725 is about 3194.1704713431. The cubic root of 10202725 is about 216.8895996007.

Adding to 10202725 its reverse (52720201), we get a palindrome (62922926).

The spelling of 10202725 in words is "ten million, two hundred two thousand, seven hundred twenty-five".