25783541 has 8 divisors (see below), whose sum is σ = 29950464. Its totient is φ = 21737520.

The previous prime is 25783517. The next prime is 25783553. The reversal of 25783541 is 14538752.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-25783541 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 (25783591) 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, 29765 + ... + 30618.

It is an arithmetic number, because the mean of its divisors is an integer number (3743808).

Almost surely, 2^25783541 is an apocalyptic number.

It is an amenable number.

25783541 is a deficient number, since it is larger than the sum of its proper divisors (4166923).

25783541 is an equidigital number, since it uses as much as digits as its factorization.

25783541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60451.

The product of its digits is 33600, while the sum is 35.

The square root of 25783541 is about 5077.7495999704. The cubic root of 25783541 is about 295.4251878910.

The spelling of 25783541 in words is "twenty-five million, seven hundred eighty-three thousand, five hundred forty-one".