245603613 has 8 divisors (see below), whose sum is σ = 327715488. Its totient is φ = 163613744.

The previous prime is 245603593. The next prime is 245603621. The reversal of 245603613 is 316306542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245603613 - 2¹⁴ = 245587229 is a prime.

It is a super-2 number, since 2×245603613² = 120642269437307538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245603513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25695 + ... + 33932.

It is an arithmetic number, because the mean of its divisors is an integer number (40964436).

Almost surely, 2^245603613 is an apocalyptic number.

It is an amenable number.

245603613 is a deficient number, since it is larger than the sum of its proper divisors (82111875).

245603613 is a wasteful number, since it uses less digits than its factorization.

245603613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61003.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 245603613 is about 15671.7456908923. The cubic root of 245603613 is about 626.2459310256.

The spelling of 245603613 in words is "two hundred forty-five million, six hundred three thousand, six hundred thirteen".