201426597 has 6 divisors (see below), whose sum is σ = 290949542. Its totient is φ = 134284392.

The previous prime is 201426593. The next prime is 201426629. The reversal of 201426597 is 795624102.

201426597 is a `hidden beast` number, since 20 + 1 + 42 + 6 + 597 = 666.

It can be written as a sum of positive squares in only one way, i.e., 183710916 + 17715681 = 13554^2 + 4209^2 .

It is not a de Polignac number, because 201426597 - 2² = 201426593 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 (201426593) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11190358 + ... + 11190375.

Almost surely, 2^201426597 is an apocalyptic number.

It is an amenable number.

201426597 is a deficient number, since it is larger than the sum of its proper divisors (89522945).

201426597 is a wasteful number, since it uses less digits than its factorization.

201426597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22380739 (or 22380736 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 201426597 is about 14192.4838206707. The cubic root of 201426597 is about 586.1907196042.

The spelling of 201426597 in words is "two hundred one million, four hundred twenty-six thousand, five hundred ninety-seven".