206245413 has 32 divisors (see below), whose sum is σ = 334264320. Its totient is φ = 124645680.

The previous prime is 206245409. The next prime is 206245421. The reversal of 206245413 is 314542602.

206245413 is a `hidden beast` number, since 2 + 0 + 6 + 245 + 413 = 666.

It is not a de Polignac number, because 206245413 - 2² = 206245409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206245463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137956 + ... + 139442.

It is an arithmetic number, because the mean of its divisors is an integer number (10445760).

Almost surely, 2^206245413 is an apocalyptic number.

It is an amenable number.

206245413 is a deficient number, since it is larger than the sum of its proper divisors (128018907).

206245413 is a wasteful number, since it uses less digits than its factorization.

206245413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974 (or 1968 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 206245413 is about 14361.2469166156. The cubic root of 206245413 is about 590.8284951602.

The spelling of 206245413 in words is "two hundred six million, two hundred forty-five thousand, four hundred thirteen".