32865457 has 2 divisors, whose sum is σ = 32865458. Its totient is φ = 32865456.

The previous prime is 32865431. The next prime is 32865461. The reversal of 32865457 is 75456823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28901376 + 3964081 = 5376^2 + 1991^2 .

It is a cyclic number.

It is not a de Polignac number, because 32865457 - 2²³ = 24476849 is a prime.

It is not a weakly prime, because it can be changed into another prime (32865557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16432728 + 16432729.

It is an arithmetic number, because the mean of its divisors is an integer number (16432729).

Almost surely, 2^32865457 is an apocalyptic number.

It is an amenable number.

32865457 is a deficient number, since it is larger than the sum of its proper divisors (1).

32865457 is an equidigital number, since it uses as much as digits as its factorization.

32865457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 40.

The square root of 32865457 is about 5732.8402210423. The cubic root of 32865457 is about 320.3169288477.

The spelling of 32865457 in words is "thirty-two million, eight hundred sixty-five thousand, four hundred fifty-seven".