245009967 has 16 divisors (see below), whose sum is σ = 355247712. Its totient is φ = 149575680.

The previous prime is 245009939. The next prime is 245009971. The reversal of 245009967 is 769900542.

It is not a de Polignac number, because 245009967 - 2⁶ = 245009903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245009467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63034 + ... + 66807.

It is an arithmetic number, because the mean of its divisors is an integer number (22202982).

Almost surely, 2^245009967 is an apocalyptic number.

245009967 is a deficient number, since it is larger than the sum of its proper divisors (110237745).

245009967 is a wasteful number, since it uses less digits than its factorization.

245009967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129898.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 245009967 is about 15652.7942233967. The cubic root of 245009967 is about 625.7409597254.

The spelling of 245009967 in words is "two hundred forty-five million, nine thousand, nine hundred sixty-seven".