35652021 has 4 divisors (see below), whose sum is σ = 47536032. Its totient is φ = 23768012.

The previous prime is 35652007. The next prime is 35652073. The reversal of 35652021 is 12025653.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12025653 = 3 ⋅4008551.

It is a cyclic number.

It is not a de Polignac number, because 35652021 - 2¹⁴ = 35635637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 35651982 and 35652000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35653021) 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, 5942001 + ... + 5942006.

It is an arithmetic number, because the mean of its divisors is an integer number (11884008).

Almost surely, 2^35652021 is an apocalyptic number.

It is an amenable number.

35652021 is a deficient number, since it is larger than the sum of its proper divisors (11884011).

35652021 is a wasteful number, since it uses less digits than its factorization.

35652021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11884010.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 35652021 is about 5970.9313343900. The cubic root of 35652021 is about 329.1253883469.

Adding to 35652021 its reverse (12025653), we get a palindrome (47677674).

The spelling of 35652021 in words is "thirty-five million, six hundred fifty-two thousand, twenty-one".