25534641 has 8 divisors (see below), whose sum is σ = 37141344. Its totient is φ = 15475520.

The previous prime is 25534631. The next prime is 25534693. The reversal of 25534641 is 14643552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25534641 - 2¹⁰ = 25533617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25534599 and 25534608.

It is not an unprimeable number, because it can be changed into a prime (25534631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386856 + ... + 386921.

It is an arithmetic number, because the mean of its divisors is an integer number (4642668).

Almost surely, 2^25534641 is an apocalyptic number.

It is an amenable number.

25534641 is a deficient number, since it is larger than the sum of its proper divisors (11606703).

25534641 is a wasteful number, since it uses less digits than its factorization.

25534641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773791.

The product of its digits is 14400, while the sum is 30.

The square root of 25534641 is about 5053.1812751968. The cubic root of 25534641 is about 294.4714888282.

The spelling of 25534641 in words is "twenty-five million, five hundred thirty-four thousand, six hundred forty-one".