201693245 has 16 divisors (see below), whose sum is σ = 260948352. Its totient is φ = 148772160.

The previous prime is 201693229. The next prime is 201693259. The reversal of 201693245 is 542396102.

It is a happy number.

It is not a de Polignac number, because 201693245 - 2⁴ = 201693229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99290 + ... + 101300.

It is an arithmetic number, because the mean of its divisors is an integer number (16309272).

Almost surely, 2^201693245 is an apocalyptic number.

It is an amenable number.

201693245 is a deficient number, since it is larger than the sum of its proper divisors (59255107).

201693245 is a wasteful number, since it uses less digits than its factorization.

201693245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3572.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 201693245 is about 14201.8747001936. The cubic root of 201693245 is about 586.4492714593.

The spelling of 201693245 in words is "two hundred one million, six hundred ninety-three thousand, two hundred forty-five".