49035661 has 2 divisors, whose sum is σ = 49035662. Its totient is φ = 49035660.

The previous prime is 49035659. The next prime is 49035673. The reversal of 49035661 is 16653094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48860100 + 175561 = 6990^2 + 419^2 .

It is a cyclic number.

It is not a de Polignac number, because 49035661 - 2¹ = 49035659 is a prime.

Together with 49035659, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49035691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24517830 + 24517831.

It is an arithmetic number, because the mean of its divisors is an integer number (24517831).

Almost surely, 2^49035661 is an apocalyptic number.

It is an amenable number.

49035661 is a deficient number, since it is larger than the sum of its proper divisors (1).

49035661 is an equidigital number, since it uses as much as digits as its factorization.

49035661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 49035661 is about 7002.5467510042. The cubic root of 49035661 is about 366.0193212450.

The spelling of 49035661 in words is "forty-nine million, thirty-five thousand, six hundred sixty-one".