245813534 has 4 divisors (see below), whose sum is σ = 368720304. Its totient is φ = 122906766.

The previous prime is 245813527. The next prime is 245813537. The reversal of 245813534 is 435318542.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 245813494 and 245813503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245813537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61453382 + ... + 61453385.

It is an arithmetic number, because the mean of its divisors is an integer number (92180076).

Almost surely, 2^245813534 is an apocalyptic number.

245813534 is a deficient number, since it is larger than the sum of its proper divisors (122906770).

245813534 is a wasteful number, since it uses less digits than its factorization.

245813534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122906769.

The product of its digits is 57600, while the sum is 35.

The square root of 245813534 is about 15678.4416955257. The cubic root of 245813534 is about 626.4243007356.

The spelling of 245813534 in words is "two hundred forty-five million, eight hundred thirteen thousand, five hundred thirty-four".