213960501 has 32 divisors (see below), whose sum is σ = 334704000. Its totient is φ = 134711424.

The previous prime is 213960499. The next prime is 213960553. The reversal of 213960501 is 105069312.

213960501 is a `hidden beast` number, since 21 + 39 + 605 + 0 + 1 = 666.

It is not a de Polignac number, because 213960501 - 2¹ = 213960499 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 (213960581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 291531 + ... + 292263.

It is an arithmetic number, because the mean of its divisors is an integer number (10459500).

Almost surely, 2^213960501 is an apocalyptic number.

It is an amenable number.

213960501 is a deficient number, since it is larger than the sum of its proper divisors (120743499).

213960501 is a wasteful number, since it uses less digits than its factorization.

213960501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330 (or 1324 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 213960501 is about 14627.3887279993. The cubic root of 213960501 is about 598.1056000429.

The spelling of 213960501 in words is "two hundred thirteen million, nine hundred sixty thousand, five hundred one".