25053535 has 16 divisors (see below), whose sum is σ = 33495840. Its totient is φ = 17861760.

The previous prime is 25053517. The next prime is 25053559. The reversal of 25053535 is 53535052.

It is not a de Polignac number, because 25053535 - 2¹¹ = 25051487 is a prime.

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, 4761 + ... + 8530.

It is an arithmetic number, because the mean of its divisors is an integer number (2093490).

Almost surely, 2^25053535 is an apocalyptic number.

25053535 is a deficient number, since it is larger than the sum of its proper divisors (8442305).

25053535 is a wasteful number, since it uses less digits than its factorization.

25053535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13338.

The product of its (nonzero) digits is 11250, while the sum is 28.

The square root of 25053535 is about 5005.3506370683. The cubic root of 25053535 is about 292.6103414027.

Adding to 25053535 its reverse (53535052), we get a palindrome (78588587).

The spelling of 25053535 in words is "twenty-five million, fifty-three thousand, five hundred thirty-five".