61101629 has 2 divisors, whose sum is σ = 61101630. Its totient is φ = 61101628.

The previous prime is 61101613. The next prime is 61101631. The reversal of 61101629 is 92610116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60295225 + 806404 = 7765^2 + 898^2 .

It is a cyclic number.

It is not a de Polignac number, because 61101629 - 2⁴ = 61101613 is a prime.

Together with 61101631, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 61101598 and 61101607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61101679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30550814 + 30550815.

It is an arithmetic number, because the mean of its divisors is an integer number (30550815).

Almost surely, 2^61101629 is an apocalyptic number.

It is an amenable number.

61101629 is a deficient number, since it is larger than the sum of its proper divisors (1).

61101629 is an equidigital number, since it uses as much as digits as its factorization.

61101629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 61101629 is about 7816.7530983139. The cubic root of 61101629 is about 393.8682102792.

The spelling of 61101629 in words is "sixty-one million, one hundred one thousand, six hundred twenty-nine".