245207669 has 16 divisors (see below), whose sum is σ = 294582528. Its totient is φ = 199554432.

The previous prime is 245207653. The next prime is 245207681. The reversal of 245207669 is 966702542.

It is not a de Polignac number, because 245207669 - 2⁴ = 245207653 is a prime.

It is a super-2 number, since 2×245207669² = 120253601872827122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245207869) 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, 16499 + ... + 27615.

It is an arithmetic number, because the mean of its divisors is an integer number (18411408).

Almost surely, 2^245207669 is an apocalyptic number.

It is an amenable number.

245207669 is a deficient number, since it is larger than the sum of its proper divisors (49374859).

245207669 is a wasteful number, since it uses less digits than its factorization.

245207669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11284.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 245207669 is about 15659.1081802253. The cubic root of 245207669 is about 625.9092208798.

The spelling of 245207669 in words is "two hundred forty-five million, two hundred seven thousand, six hundred sixty-nine".