42653701 has 4 divisors (see below), whose sum is σ = 43353004. Its totient is φ = 41954400.

The previous prime is 42653687. The next prime is 42653719. The reversal of 42653701 is 10735624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 857476 + 41796225 = 926^2 + 6465^2 .

It is a cyclic number.

It is not a de Polignac number, because 42653701 - 2¹³ = 42645509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42653701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42653791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349560 + ... + 349681.

It is an arithmetic number, because the mean of its divisors is an integer number (10838251).

Almost surely, 2^42653701 is an apocalyptic number.

It is an amenable number.

42653701 is a deficient number, since it is larger than the sum of its proper divisors (699303).

42653701 is an equidigital number, since it uses as much as digits as its factorization.

42653701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699302.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 42653701 is about 6530.9800949015. The cubic root of 42653701 is about 349.3967868301.

The spelling of 42653701 in words is "forty-two million, six hundred fifty-three thousand, seven hundred one".