25043797 has 2 divisors, whose sum is σ = 25043798. Its totient is φ = 25043796.

The previous prime is 25043779. The next prime is 25043807. The reversal of 25043797 is 79734052.

Together with previous prime (25043779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24690961 + 352836 = 4969^2 + 594^2 .

It is a cyclic number.

It is not a de Polignac number, because 25043797 - 2¹¹ = 25041749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25043717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12521898 + 12521899.

It is an arithmetic number, because the mean of its divisors is an integer number (12521899).

Almost surely, 2^25043797 is an apocalyptic number.

It is an amenable number.

25043797 is a deficient number, since it is larger than the sum of its proper divisors (1).

25043797 is an equidigital number, since it uses as much as digits as its factorization.

25043797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 25043797 is about 5004.3777835012. The cubic root of 25043797 is about 292.5724251463.

The spelling of 25043797 in words is "twenty-five million, forty-three thousand, seven hundred ninety-seven".