3251557 has 2 divisors, whose sum is σ = 3251558. Its totient is φ = 3251556.

The previous prime is 3251519. The next prime is 3251569. The reversal of 3251557 is 7551523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1999396 + 1252161 = 1414^2 + 1119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3251557 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3251057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1625778 + 1625779.

It is an arithmetic number, because the mean of its divisors is an integer number (1625779).

Almost surely, 2^3251557 is an apocalyptic number.

It is an amenable number.

3251557 is a deficient number, since it is larger than the sum of its proper divisors (1).

3251557 is an equidigital number, since it uses as much as digits as its factorization.

3251557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5250, while the sum is 28.

The square root of 3251557 is about 1803.2074201267. The cubic root of 3251557 is about 148.1484540356.

The spelling of 3251557 in words is "three million, two hundred fifty-one thousand, five hundred fifty-seven".