2145252367 has 2 divisors, whose sum is σ = 2145252368. Its totient is φ = 2145252366.

The previous prime is 2145252337. The next prime is 2145252391. The reversal of 2145252367 is 7632525412.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2145252367 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2145252337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072626183 + 1072626184.

It is an arithmetic number, because the mean of its divisors is an integer number (1072626184).

Almost surely, 2^2145252367 is an apocalyptic number.

2145252367 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145252367 is an equidigital number, since it uses as much as digits as its factorization.

2145252367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 37.

The square root of 2145252367 is about 46316.8691407353. The cubic root of 2145252367 is about 1289.7121660158.

Adding to 2145252367 its reverse (7632525412), we get a palindrome (9777777779).

The spelling of 2145252367 in words is "two billion, one hundred forty-five million, two hundred fifty-two thousand, three hundred sixty-seven".