25348553 has 4 divisors (see below), whose sum is σ = 26450688. Its totient is φ = 24246420.

The previous prime is 25348541. The next prime is 25348559. The reversal of 25348553 is 35584352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25348553 - 2¹² = 25344457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25348559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551033 + ... + 551078.

It is an arithmetic number, because the mean of its divisors is an integer number (6612672).

Almost surely, 2^25348553 is an apocalyptic number.

25348553 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

25348553 is a deficient number, since it is larger than the sum of its proper divisors (1102135).

25348553 is a wasteful number, since it uses less digits than its factorization.

25348553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102134.

The product of its digits is 72000, while the sum is 35.

The square root of 25348553 is about 5034.7346504061. The cubic root of 25348553 is about 293.7544071770.

The spelling of 25348553 in words is "twenty-five million, three hundred forty-eight thousand, five hundred fifty-three".