2500667671 has 2 divisors, whose sum is σ = 2500667672. Its totient is φ = 2500667670.

The previous prime is 2500667647. The next prime is 2500667693. The reversal of 2500667671 is 1767660052.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2500667671 - 2¹⁹ = 2500143383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2500667471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250333835 + 1250333836.

It is an arithmetic number, because the mean of its divisors is an integer number (1250333836).

Almost surely, 2^2500667671 is an apocalyptic number.

2500667671 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500667671 is an equidigital number, since it uses as much as digits as its factorization.

2500667671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 2500667671 is about 50006.6762642750. The cubic root of 2500667671 is about 1357.3296200714.

The spelling of 2500667671 in words is "two billion, five hundred million, six hundred sixty-seven thousand, six hundred seventy-one".