245307369 has 4 divisors (see below), whose sum is σ = 327076496. Its totient is φ = 163538244.

The previous prime is 245307367. The next prime is 245307383. The reversal of 245307369 is 963703542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 245307369 - 2¹ = 245307367 is a prime.

It is a super-2 number, since 2×245307369² = 120351410571404322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245307367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40884559 + ... + 40884564.

It is an arithmetic number, because the mean of its divisors is an integer number (81769124).

Almost surely, 2^245307369 is an apocalyptic number.

It is an amenable number.

245307369 is a deficient number, since it is larger than the sum of its proper divisors (81769127).

245307369 is an equidigital number, since it uses as much as digits as its factorization.

245307369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81769126.

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 245307369 is about 15662.2913074684. The cubic root of 245307369 is about 625.9940397245.

The spelling of 245307369 in words is "two hundred forty-five million, three hundred seven thousand, three hundred sixty-nine".