25424747 has 2 divisors, whose sum is σ = 25424748. Its totient is φ = 25424746.

The previous prime is 25424723. The next prime is 25424759. The reversal of 25424747 is 74742452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25424747 - 2¹⁴ = 25408363 is a prime.

It is not a weakly prime, because it can be changed into another prime (25424447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12712373 + 12712374.

It is an arithmetic number, because the mean of its divisors is an integer number (12712374).

Almost surely, 2^25424747 is an apocalyptic number.

25424747 is a deficient number, since it is larger than the sum of its proper divisors (1).

25424747 is an equidigital number, since it uses as much as digits as its factorization.

25424747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62720, while the sum is 35.

The square root of 25424747 is about 5042.2958064755. The cubic root of 25424747 is about 294.0484401959.

The spelling of 25424747 in words is "twenty-five million, four hundred twenty-four thousand, seven hundred forty-seven".