61492159 has 2 divisors, whose sum is σ = 61492160. Its totient is φ = 61492158.

The previous prime is 61492157. The next prime is 61492181. The reversal of 61492159 is 95129416.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61492159 - 2¹ = 61492157 is a prime.

Together with 61492157, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61492153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30746079 + 30746080.

It is an arithmetic number, because the mean of its divisors is an integer number (30746080).

Almost surely, 2^61492159 is an apocalyptic number.

61492159 is a deficient number, since it is larger than the sum of its proper divisors (1).

61492159 is an equidigital number, since it uses as much as digits as its factorization.

61492159 is an odious number, because the sum of its binary digits is odd.

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

The square root of 61492159 is about 7841.6936308428. The cubic root of 61492159 is about 394.7055627709.

The spelling of 61492159 in words is "sixty-one million, four hundred ninety-two thousand, one hundred fifty-nine".