32420953 has 4 divisors (see below), whose sum is σ = 32432400. Its totient is φ = 32409508.

The previous prime is 32420933. The next prime is 32420959. The reversal of 32420953 is 35902423.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32420953 is a prime.

It is a super-2 number, since 2×32420953² = 2102236386856418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32420959) 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, 1998 + ... + 8296.

It is an arithmetic number, because the mean of its divisors is an integer number (8108100).

Almost surely, 2^32420953 is an apocalyptic number.

It is an amenable number.

32420953 is a deficient number, since it is larger than the sum of its proper divisors (11447).

32420953 is an equidigital number, since it uses as much as digits as its factorization.

32420953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11446.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 32420953 is about 5693.9400242714. The cubic root of 32420953 is about 318.8662778133.

The spelling of 32420953 in words is "thirty-two million, four hundred twenty thousand, nine hundred fifty-three".