245422087 has 2 divisors, whose sum is σ = 245422088. Its totient is φ = 245422086.

The previous prime is 245422061. The next prime is 245422103. The reversal of 245422087 is 780224542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245422087 - 2²³ = 237033479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245422007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122711043 + 122711044.

It is an arithmetic number, because the mean of its divisors is an integer number (122711044).

Almost surely, 2^245422087 is an apocalyptic number.

245422087 is a deficient number, since it is larger than the sum of its proper divisors (1).

245422087 is an equidigital number, since it uses as much as digits as its factorization.

245422087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 245422087 is about 15665.9531149560. The cubic root of 245422087 is about 626.0916065622.

The spelling of 245422087 in words is "two hundred forty-five million, four hundred twenty-two thousand, eighty-seven".