215340601 has 16 divisors (see below), whose sum is σ = 254803968. Its totient is φ = 178088400.

The previous prime is 215340589. The next prime is 215340617. The reversal of 215340601 is 106043512.

It is not a de Polignac number, because 215340601 - 2⁷ = 215340473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (215340691) 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, 81816 + ... + 84406.

It is an arithmetic number, because the mean of its divisors is an integer number (15925248).

Almost surely, 2^215340601 is an apocalyptic number.

It is an amenable number.

215340601 is a deficient number, since it is larger than the sum of its proper divisors (39463367).

215340601 is a wasteful number, since it uses less digits than its factorization.

215340601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 215340601 is about 14674.4881001008. The cubic root of 215340601 is about 599.3888230196.

The spelling of 215340601 in words is "two hundred fifteen million, three hundred forty thousand, six hundred one".