245020767 has 4 divisors (see below), whose sum is σ = 326694360. Its totient is φ = 163347176.

The previous prime is 245020759. The next prime is 245020781. The reversal of 245020767 is 767020542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245020767 - 2³ = 245020759 is a prime.

It is a super-2 number, since 2×245020767² = 120070352522536578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245020717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40836792 + ... + 40836797.

It is an arithmetic number, because the mean of its divisors is an integer number (81673590).

Almost surely, 2^245020767 is an apocalyptic number.

245020767 is a deficient number, since it is larger than the sum of its proper divisors (81673593).

245020767 is an equidigital number, since it uses as much as digits as its factorization.

245020767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81673592.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 245020767 is about 15653.1392059229. The cubic root of 245020767 is about 625.7501537773.

The spelling of 245020767 in words is "two hundred forty-five million, twenty thousand, seven hundred sixty-seven".