61887341 has 2 divisors, whose sum is σ = 61887342. Its totient is φ = 61887340.

The previous prime is 61887317. The next prime is 61887379. The reversal of 61887341 is 14378816.

It is an a-pointer prime, because the next prime (61887379) can be obtained adding 61887341 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55562116 + 6325225 = 7454^2 + 2515^2 .

It is a cyclic number.

It is not a de Polignac number, because 61887341 - 2¹⁰ = 61886317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61887295 and 61887304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61884341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30943670 + 30943671.

It is an arithmetic number, because the mean of its divisors is an integer number (30943671).

Almost surely, 2^61887341 is an apocalyptic number.

It is an amenable number.

61887341 is a deficient number, since it is larger than the sum of its proper divisors (1).

61887341 is an equidigital number, since it uses as much as digits as its factorization.

61887341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 38.

The square root of 61887341 is about 7866.8507676198. The cubic root of 61887341 is about 395.5492886789.

The spelling of 61887341 in words is "sixty-one million, eight hundred eighty-seven thousand, three hundred forty-one".