32623531 has 2 divisors, whose sum is σ = 32623532. Its totient is φ = 32623530.

The previous prime is 32623517. The next prime is 32623537. The reversal of 32623531 is 13532623.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32623531 - 2⁷ = 32623403 is a prime.

It is a super-2 number, since 2×32623531² = 2128589549815922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32623496 and 32623505.

It is not a weakly prime, because it can be changed into another prime (32623537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16311765 + 16311766.

It is an arithmetic number, because the mean of its divisors is an integer number (16311766).

Almost surely, 2^32623531 is an apocalyptic number.

32623531 is a deficient number, since it is larger than the sum of its proper divisors (1).

32623531 is an equidigital number, since it uses as much as digits as its factorization.

32623531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 25.

The square root of 32623531 is about 5711.7012351838. The cubic root of 32623531 is about 319.5290304840.

The spelling of 32623531 in words is "thirty-two million, six hundred twenty-three thousand, five hundred thirty-one".