245338507 has 4 divisors (see below), whose sum is σ = 258251080. Its totient is φ = 232425936.

The previous prime is 245338487. The next prime is 245338549. The reversal of 245338507 is 705833542.

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

It is not a de Polignac number, because 245338507 - 2²³ = 236949899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245333507) 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, 6456258 + ... + 6456295.

It is an arithmetic number, because the mean of its divisors is an integer number (64562770).

Almost surely, 2^245338507 is an apocalyptic number.

245338507 is a deficient number, since it is larger than the sum of its proper divisors (12912573).

245338507 is a wasteful number, since it uses less digits than its factorization.

245338507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12912572.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 245338507 is about 15663.2853194980. The cubic root of 245338507 is about 626.0205253778.

The spelling of 245338507 in words is "two hundred forty-five million, three hundred thirty-eight thousand, five hundred seven".