29961541 has 2 divisors, whose sum is σ = 29961542. Its totient is φ = 29961540.

The previous prime is 29961539. The next prime is 29961551. The reversal of 29961541 is 14516992.

29961541 = 3870² + 3871².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14984641 + 14976900 = 3871^2 + 3870^2 .

It is a cyclic number.

It is not a de Polignac number, because 29961541 - 2¹ = 29961539 is a prime.

Together with 29961539, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29961541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29961511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14980770 + 14980771.

It is an arithmetic number, because the mean of its divisors is an integer number (14980771).

Almost surely, 2^29961541 is an apocalyptic number.

29961541 is the 3871-st centered square number.

It is an amenable number.

29961541 is a deficient number, since it is larger than the sum of its proper divisors (1).

29961541 is an equidigital number, since it uses as much as digits as its factorization.

29961541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 37.

The square root of 29961541 is about 5473.7136388379. The cubic root of 29961541 is about 310.5904148656.

The spelling of 29961541 in words is "twenty-nine million, nine hundred sixty-one thousand, five hundred forty-one".