25488061 has 4 divisors (see below), whose sum is σ = 25571392. Its totient is φ = 25404732.

The previous prime is 25488031. The next prime is 25488097. The reversal of 25488061 is 16088452.

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 25488061 - 2¹³ = 25479869 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 (25488031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41205 + ... + 41818.

It is an arithmetic number, because the mean of its divisors is an integer number (6392848).

Almost surely, 2^25488061 is an apocalyptic number.

It is an amenable number.

25488061 is a deficient number, since it is larger than the sum of its proper divisors (83331).

25488061 is an equidigital number, since it uses as much as digits as its factorization.

25488061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83330.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 25488061 is about 5048.5701936291. The cubic root of 25488061 is about 294.2923226660.

It can be divided in two parts, 2548 and 8061, that added together give a square (10609 = 103²).

The spelling of 25488061 in words is "twenty-five million, four hundred eighty-eight thousand, sixty-one".