6432457 has 2 divisors, whose sum is σ = 6432458. Its totient is φ = 6432456.

The previous prime is 6432427. The next prime is 6432509. The reversal of 6432457 is 7542346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5550736 + 881721 = 2356^2 + 939^2 .

It is a cyclic number.

It is not a de Polignac number, because 6432457 - 2⁷ = 6432329 is a prime.

It is a d-powerful number, because it can be written as 6⁶ + 4² + 3⁷ + 2¹⁹ + 4⁷ + 5⁷ + 7⁸ .

It is not a weakly prime, because it can be changed into another prime (6432427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3216228 + 3216229.

It is an arithmetic number, because the mean of its divisors is an integer number (3216229).

Almost surely, 2^6432457 is an apocalyptic number.

It is an amenable number.

6432457 is a deficient number, since it is larger than the sum of its proper divisors (1).

6432457 is an equidigital number, since it uses as much as digits as its factorization.

6432457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 31.

The square root of 6432457 is about 2536.2288934558. The cubic root of 6432457 is about 185.9768827014.

It can be divided in two parts, 6432 and 457, that added together give a square (6889 = 83²).

The spelling of 6432457 in words is "six million, four hundred thirty-two thousand, four hundred fifty-seven".