25505763 has 8 divisors (see below), whose sum is σ = 36008208. Its totient is φ = 16003584.

The previous prime is 25505723. The next prime is 25505783. The reversal of 25505763 is 36750552.

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

It is not a de Polignac number, because 25505763 - 2⁶ = 25505699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25505713) 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, 250006 + ... + 250107.

It is an arithmetic number, because the mean of its divisors is an integer number (4501026).

Almost surely, 2^25505763 is an apocalyptic number.

25505763 is a deficient number, since it is larger than the sum of its proper divisors (10502445).

25505763 is a wasteful number, since it uses less digits than its factorization.

25505763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500133.

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 25505763 is about 5050.3230589736. The cubic root of 25505763 is about 294.3604376567.

The spelling of 25505763 in words is "twenty-five million, five hundred five thousand, seven hundred sixty-three".