245205650 has 12 divisors (see below), whose sum is σ = 456082602. Its totient is φ = 98082240.

The previous prime is 245205619. The next prime is 245205673. The reversal of 245205650 is 56502542.

245205650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 226291849 + 18913801 = 15043^2 + 4349^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2452007 + ... + 2452106.

Almost surely, 2^245205650 is an apocalyptic number.

245205650 is a deficient number, since it is larger than the sum of its proper divisors (210876952).

245205650 is a wasteful number, since it uses less digits than its factorization.

245205650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4904125 (or 4904120 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 245205650 is about 15659.0437128198. The cubic root of 245205650 is about 625.9075029969.

The spelling of 245205650 in words is "two hundred forty-five million, two hundred five thousand, six hundred fifty".