61071263 has 16 divisors (see below), whose sum is σ = 71850240. Its totient is φ = 51307200.

The previous prime is 61071253. The next prime is 61071281. The reversal of 61071263 is 36217016.

It is a cyclic number.

It is not a de Polignac number, because 61071263 - 2⁴ = 61071247 is a prime.

It is a super-3 number, since 3×61071263³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61071253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5006 + ... + 12132.

It is an arithmetic number, because the mean of its divisors is an integer number (4490640).

Almost surely, 2^61071263 is an apocalyptic number.

61071263 is a deficient number, since it is larger than the sum of its proper divisors (10778977).

61071263 is a wasteful number, since it uses less digits than its factorization.

61071263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7198.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 61071263 is about 7814.8104903446. The cubic root of 61071263 is about 393.8029518776.

Adding to 61071263 its reverse (36217016), we get a palindrome (97288279).

The spelling of 61071263 in words is "sixty-one million, seventy-one thousand, two hundred sixty-three".