245525361603 has 4 divisors (see below), whose sum is σ = 327367148808. Its totient is φ = 163683574400.

The previous prime is 245525361581. The next prime is 245525361617. The reversal of 245525361603 is 306163525542.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 245525361603 - 2¹⁰ = 245525360579 is a prime.

It is a super-3 number, since 3×245525361603³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (245525362603) 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, 40920893598 + ... + 40920893603.

It is an arithmetic number, because the mean of its divisors is an integer number (81841787202).

Almost surely, 2^245525361603 is an apocalyptic number.

245525361603 is a deficient number, since it is larger than the sum of its proper divisors (81841787205).

245525361603 is an equidigital number, since it uses as much as digits as its factorization.

245525361603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81841787204.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 245525361603 in words is "two hundred forty-five billion, five hundred twenty-five million, three hundred sixty-one thousand, six hundred three".