25270545 has 8 divisors (see below), whose sum is σ = 40432896. Its totient is φ = 13477616.

The previous prime is 25270523. The next prime is 25270547. The reversal of 25270545 is 54507252.

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 25270545 - 2⁹ = 25270033 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (25270547) 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, 842337 + ... + 842366.

It is an arithmetic number, because the mean of its divisors is an integer number (5054112).

Almost surely, 2^25270545 is an apocalyptic number.

It is an amenable number.

25270545 is a deficient number, since it is larger than the sum of its proper divisors (15162351).

25270545 is a wasteful number, since it uses less digits than its factorization.

25270545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684711.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 25270545 is about 5026.9816987930. The cubic root of 25270545 is about 293.4527628638.

Adding to 25270545 its reverse (54507252), we get a palindrome (79777797).

The spelling of 25270545 in words is "twenty-five million, two hundred seventy thousand, five hundred forty-five".