4537961 has 2 divisors, whose sum is σ = 4537962. Its totient is φ = 4537960.

The previous prime is 4537937. The next prime is 4537987. The reversal of 4537961 is 1697354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2418025 + 2119936 = 1555^2 + 1456^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4537961 is a prime.

It is not a weakly prime, because it can be changed into another prime (4537061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2268980 + 2268981.

It is an arithmetic number, because the mean of its divisors is an integer number (2268981).

Almost surely, 2^4537961 is an apocalyptic number.

It is an amenable number.

4537961 is a deficient number, since it is larger than the sum of its proper divisors (1).

4537961 is an equidigital number, since it uses as much as digits as its factorization.

4537961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 4537961 is about 2130.2490464732. The cubic root of 4537961 is about 165.5593018653.

The spelling of 4537961 in words is "four million, five hundred thirty-seven thousand, nine hundred sixty-one".