245214787 has 2 divisors, whose sum is σ = 245214788. Its totient is φ = 245214786.

The previous prime is 245214773. The next prime is 245214791. The reversal of 245214787 is 787412542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245214787 - 2²⁷ = 110997059 is a prime.

It is not a weakly prime, because it can be changed into another prime (245214737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122607393 + 122607394.

It is an arithmetic number, because the mean of its divisors is an integer number (122607394).

Almost surely, 2^245214787 is an apocalyptic number.

245214787 is a deficient number, since it is larger than the sum of its proper divisors (1).

245214787 is an equidigital number, since it uses as much as digits as its factorization.

245214787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 125440, while the sum is 40.

The square root of 245214787 is about 15659.3354584414. The cubic root of 245214787 is about 625.9152772139.

The spelling of 245214787 in words is "two hundred forty-five million, two hundred fourteen thousand, seven hundred eighty-seven".