25520341 has 16 divisors (see below), whose sum is σ = 31961088. Its totient is φ = 19796400.

The previous prime is 25520333. The next prime is 25520353. The reversal of 25520341 is 14302552.

It is a cyclic number.

It is not a de Polignac number, because 25520341 - 2³ = 25520333 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 (25520321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20256 + ... + 21478.

It is an arithmetic number, because the mean of its divisors is an integer number (1997568).

Almost surely, 2^25520341 is an apocalyptic number.

It is an amenable number.

25520341 is a deficient number, since it is larger than the sum of its proper divisors (6440747).

25520341 is a wasteful number, since it uses less digits than its factorization.

25520341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 25520341 is about 5051.7661268115. The cubic root of 25520341 is about 294.4165082418.

Adding to 25520341 its reverse (14302552), we get a palindrome (39822893).

The spelling of 25520341 in words is "twenty-five million, five hundred twenty thousand, three hundred forty-one".