611632741 has 2 divisors, whose sum is σ = 611632742. Its totient is φ = 611632740.

The previous prime is 611632699. The next prime is 611632751. The reversal of 611632741 is 147236116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 480530241 + 131102500 = 21921^2 + 11450^2 .

It is a cyclic number.

It is not a de Polignac number, because 611632741 - 2¹³ = 611624549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611632751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305816370 + 305816371.

It is an arithmetic number, because the mean of its divisors is an integer number (305816371).

Almost surely, 2^611632741 is an apocalyptic number.

It is an amenable number.

611632741 is a deficient number, since it is larger than the sum of its proper divisors (1).

611632741 is an equidigital number, since it uses as much as digits as its factorization.

611632741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 31.

The square root of 611632741 is about 24731.2098571825. The cubic root of 611632741 is about 848.8486099163.

Adding to 611632741 its reverse (147236116), we get a palindrome (758868857).

The spelling of 611632741 in words is "six hundred eleven million, six hundred thirty-two thousand, seven hundred forty-one".