42653685 has 16 divisors (see below), whose sum is σ = 68523840. Its totient is φ = 22656000.

The previous prime is 42653683. The next prime is 42653687. The reversal of 42653685 is 58635624.

It is an interprime number because it is at equal distance from previous prime (42653683) and next prime (42653687).

It is not a de Polignac number, because 42653685 - 2¹ = 42653683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42653683) 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, 1900 + ... + 9429.

It is an arithmetic number, because the mean of its divisors is an integer number (4282740).

Almost surely, 2^42653685 is an apocalyptic number.

It is an amenable number.

42653685 is a deficient number, since it is larger than the sum of its proper divisors (25870155).

42653685 is a wasteful number, since it uses less digits than its factorization.

42653685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11588.

The product of its digits is 172800, while the sum is 39.

The square root of 42653685 is about 6530.9788699704. The cubic root of 42653685 is about 349.3967431422.

The spelling of 42653685 in words is "forty-two million, six hundred fifty-three thousand, six hundred eighty-five".