203713397 has 16 divisors (see below), whose sum is σ = 220776192. Its totient is φ = 187249920.

The previous prime is 203713387. The next prime is 203713417. The reversal of 203713397 is 793317302.

203713397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 203713397 - 2⁴ = 203713381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203713327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279848 + ... + 280574.

It is an arithmetic number, because the mean of its divisors is an integer number (13798512).

Almost surely, 2^203713397 is an apocalyptic number.

It is an amenable number.

203713397 is a deficient number, since it is larger than the sum of its proper divisors (17062795).

203713397 is a wasteful number, since it uses less digits than its factorization.

203713397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108.

The product of its (nonzero) digits is 23814, while the sum is 35.

The square root of 203713397 is about 14272.8202188635. The cubic root of 203713397 is about 588.4007219946.

The spelling of 203713397 in words is "two hundred three million, seven hundred thirteen thousand, three hundred ninety-seven".