25145349347 has 2 divisors, whose sum is σ = 25145349348. Its totient is φ = 25145349346.

The previous prime is 25145349343. The next prime is 25145349401. The reversal of 25145349347 is 74394354152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25145349347 - 2² = 25145349343 is a prime.

It is not a weakly prime, because it can be changed into another prime (25145349343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12572674673 + 12572674674.

It is an arithmetic number, because the mean of its divisors is an integer number (12572674674).

Almost surely, 2^25145349347 is an apocalyptic number.

25145349347 is a deficient number, since it is larger than the sum of its proper divisors (1).

25145349347 is an equidigital number, since it uses as much as digits as its factorization.

25145349347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 47.

The spelling of 25145349347 in words is "twenty-five billion, one hundred forty-five million, three hundred forty-nine thousand, three hundred forty-seven".