61374263 has 2 divisors, whose sum is σ = 61374264. Its totient is φ = 61374262.

The previous prime is 61374251. The next prime is 61374289. The reversal of 61374263 is 36247316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61374263 - 2¹⁰ = 61373239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61374223) 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, 30687131 + 30687132.

It is an arithmetic number, because the mean of its divisors is an integer number (30687132).

Almost surely, 2^61374263 is an apocalyptic number.

61374263 is a deficient number, since it is larger than the sum of its proper divisors (1).

61374263 is an equidigital number, since it uses as much as digits as its factorization.

61374263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 32.

The square root of 61374263 is about 7834.1727706249. The cubic root of 61374263 is about 394.4531513048.

The spelling of 61374263 in words is "sixty-one million, three hundred seventy-four thousand, two hundred sixty-three".