25263485 has 16 divisors (see below), whose sum is σ = 32898096. Its totient is φ = 18513408.

The previous prime is 25263473. The next prime is 25263493. The reversal of 25263485 is 58436252.

It can be written as a sum of positive squares in 8 ways, for example, as 6280036 + 18983449 = 2506^2 + 4357^2 .

It is a cyclic number.

It is not a de Polignac number, because 25263485 - 2⁸ = 25263229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7487 + ... + 10323.

It is an arithmetic number, because the mean of its divisors is an integer number (2056131).

Almost surely, 2^25263485 is an apocalyptic number.

It is an amenable number.

25263485 is a deficient number, since it is larger than the sum of its proper divisors (7634611).

25263485 is a wasteful number, since it uses less digits than its factorization.

25263485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992.

The product of its digits is 57600, while the sum is 35.

The square root of 25263485 is about 5026.2794391080. The cubic root of 25263485 is about 293.4254323693.

The spelling of 25263485 in words is "twenty-five million, two hundred sixty-three thousand, four hundred eighty-five".