25434463 has 2 divisors, whose sum is σ = 25434464. Its totient is φ = 25434462.

The previous prime is 25434433. The next prime is 25434469. The reversal of 25434463 is 36443452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25434463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25434469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12717231 + 12717232.

It is an arithmetic number, because the mean of its divisors is an integer number (12717232).

Almost surely, 2^25434463 is an apocalyptic number.

25434463 is a deficient number, since it is larger than the sum of its proper divisors (1).

25434463 is an equidigital number, since it uses as much as digits as its factorization.

25434463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 31.

The square root of 25434463 is about 5043.2591644689. The cubic root of 25434463 is about 294.0858920375.

The spelling of 25434463 in words is "twenty-five million, four hundred thirty-four thousand, four hundred sixty-three".