25485623 has 2 divisors, whose sum is σ = 25485624. Its totient is φ = 25485622.

The previous prime is 25485611. The next prime is 25485667. The reversal of 25485623 is 32658452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25485623 - 2²⁰ = 24437047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25485673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12742811 + 12742812.

It is an arithmetic number, because the mean of its divisors is an integer number (12742812).

Almost surely, 2^25485623 is an apocalyptic number.

25485623 is a deficient number, since it is larger than the sum of its proper divisors (1).

25485623 is an equidigital number, since it uses as much as digits as its factorization.

25485623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 35.

The square root of 25485623 is about 5048.3287333532. The cubic root of 25485623 is about 294.2829390889.

The spelling of 25485623 in words is "twenty-five million, four hundred eighty-five thousand, six hundred twenty-three".