61827371 has 2 divisors, whose sum is σ = 61827372. Its totient is φ = 61827370.

The previous prime is 61827331. The next prime is 61827373. The reversal of 61827371 is 17372816.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61827371 is a prime.

Together with 61827373, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61827373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30913685 + 30913686.

It is an arithmetic number, because the mean of its divisors is an integer number (30913686).

Almost surely, 2^61827371 is an apocalyptic number.

61827371 is a deficient number, since it is larger than the sum of its proper divisors (1).

61827371 is an equidigital number, since it uses as much as digits as its factorization.

61827371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 35.

The square root of 61827371 is about 7863.0382804613. The cubic root of 61827371 is about 395.4214824822.

The spelling of 61827371 in words is "sixty-one million, eight hundred twenty-seven thousand, three hundred seventy-one".