25351742027 has 2 divisors, whose sum is σ = 25351742028. Its totient is φ = 25351742026.

The previous prime is 25351742023. The next prime is 25351742051. The reversal of 25351742027 is 72024715352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25351742027 - 2² = 25351742023 is a prime.

It is not a weakly prime, because it can be changed into another prime (25351742021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12675871013 + 12675871014.

It is an arithmetic number, because the mean of its divisors is an integer number (12675871014).

Almost surely, 2^25351742027 is an apocalyptic number.

25351742027 is a deficient number, since it is larger than the sum of its proper divisors (1).

25351742027 is an equidigital number, since it uses as much as digits as its factorization.

25351742027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 38.

The spelling of 25351742027 in words is "twenty-five billion, three hundred fifty-one million, seven hundred forty-two thousand, twenty-seven".