25154023 has 2 divisors, whose sum is σ = 25154024. Its totient is φ = 25154022.

The previous prime is 25154009. The next prime is 25154029. The reversal of 25154023 is 32045152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25154023 - 2²¹ = 23056871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25153985 and 25154003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25154029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12577011 + 12577012.

It is an arithmetic number, because the mean of its divisors is an integer number (12577012).

Almost surely, 2^25154023 is an apocalyptic number.

25154023 is a deficient number, since it is larger than the sum of its proper divisors (1).

25154023 is an equidigital number, since it uses as much as digits as its factorization.

25154023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 25154023 is about 5015.3786497133. The cubic root of 25154023 is about 293.0010328176.

Adding to 25154023 its reverse (32045152), we get a palindrome (57199175).

The spelling of 25154023 in words is "twenty-five million, one hundred fifty-four thousand, twenty-three".