83242605 has 16 divisors (see below), whose sum is σ = 133746624. Its totient is φ = 44209920.

The previous prime is 83242603. The next prime is 83242619. The reversal of 83242605 is 50624238.

It is not a de Polignac number, because 83242605 - 2¹ = 83242603 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83242603) 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, 7899 + ... + 15128.

It is an arithmetic number, because the mean of its divisors is an integer number (8359164).

Almost surely, 2^83242605 is an apocalyptic number.

It is an amenable number.

83242605 is a deficient number, since it is larger than the sum of its proper divisors (50504019).

83242605 is a wasteful number, since it uses less digits than its factorization.

83242605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23276.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 83242605 is about 9123.7385429439. The cubic root of 83242605 is about 436.6316578062.

The spelling of 83242605 in words is "eighty-three million, two hundred forty-two thousand, six hundred five".