11537641 has 2 divisors, whose sum is σ = 11537642. Its totient is φ = 11537640.

The previous prime is 11537609. The next prime is 11537653. The reversal of 11537641 is 14673511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8003241 + 3534400 = 2829^2 + 1880^2 .

It is a cyclic number.

It is not a de Polignac number, because 11537641 - 2⁵ = 11537609 is a prime.

It is not a weakly prime, because it can be changed into another prime (11537671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5768820 + 5768821.

It is an arithmetic number, because the mean of its divisors is an integer number (5768821).

Almost surely, 2^11537641 is an apocalyptic number.

It is an amenable number.

11537641 is a deficient number, since it is larger than the sum of its proper divisors (1).

11537641 is an equidigital number, since it uses as much as digits as its factorization.

11537641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 28.

The square root of 11537641 is about 3396.7103202952. The cubic root of 11537641 is about 225.9638715840.

The spelling of 11537641 in words is "eleven million, five hundred thirty-seven thousand, six hundred forty-one".