245288371 has 2 divisors, whose sum is σ = 245288372. Its totient is φ = 245288370.

The previous prime is 245288369. The next prime is 245288377. The reversal of 245288371 is 173882542.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245288371 - 2¹ = 245288369 is a prime.

Together with 245288369, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (245288377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122644185 + 122644186.

It is an arithmetic number, because the mean of its divisors is an integer number (122644186).

Almost surely, 2^245288371 is an apocalyptic number.

245288371 is a deficient number, since it is larger than the sum of its proper divisors (1).

245288371 is an equidigital number, since it uses as much as digits as its factorization.

245288371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 40.

The square root of 245288371 is about 15661.6848071975. The cubic root of 245288371 is about 625.9778791259.

The spelling of 245288371 in words is "two hundred forty-five million, two hundred eighty-eight thousand, three hundred seventy-one".