25410013 has 4 divisors (see below), whose sum is σ = 25580700. Its totient is φ = 25239328.

The previous prime is 25409983. The next prime is 25410031. The reversal of 25410013 is 31001452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6980164 + 18429849 = 2642^2 + 4293^2 .

It is a cyclic number.

It is not a de Polignac number, because 25410013 - 2¹⁷ = 25278941 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 (25410043) 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, 85120 + ... + 85417.

It is an arithmetic number, because the mean of its divisors is an integer number (6395175).

Almost surely, 2^25410013 is an apocalyptic number.

It is an amenable number.

25410013 is a deficient number, since it is larger than the sum of its proper divisors (170687).

25410013 is a wasteful number, since it uses less digits than its factorization.

25410013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170686.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 25410013 is about 5040.8345539206. The cubic root of 25410013 is about 293.9916274784.

Adding to 25410013 its reverse (31001452), we get a palindrome (56411465).

The spelling of 25410013 in words is "twenty-five million, four hundred ten thousand, thirteen".