245530650 has 24 divisors (see below), whose sum is σ = 608916384. Its totient is φ = 65474800.

The previous prime is 245530639. The next prime is 245530651. The reversal of 245530650 is 56035542.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245530651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 818286 + ... + 818585.

It is an arithmetic number, because the mean of its divisors is an integer number (25371516).

Almost surely, 2^245530650 is an apocalyptic number.

245530650 is an abundant number, since it is smaller than the sum of its proper divisors (363385734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245530650 is a wasteful number, since it uses less digits than its factorization.

245530650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636886 (or 1636881 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 245530650 is about 15669.4176662695. The cubic root of 245530650 is about 626.1839106197.

The spelling of 245530650 in words is "two hundred forty-five million, five hundred thirty thousand, six hundred fifty".