61051671 has 8 divisors (see below), whose sum is σ = 90446960. Its totient is φ = 40701096.

The previous prime is 61051657. The next prime is 61051681. The reversal of 61051671 is 17615016.

It is not a de Polignac number, because 61051671 - 2¹⁸ = 60789527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2261173 = 61051671 / (6 + 1 + 0 + 5 + 1 + 6 + 7 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61051651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1130560 + ... + 1130613.

It is an arithmetic number, because the mean of its divisors is an integer number (11305870).

Almost surely, 2^61051671 is an apocalyptic number.

61051671 is a deficient number, since it is larger than the sum of its proper divisors (29395289).

61051671 is a wasteful number, since it uses less digits than its factorization.

61051671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261182 (or 2261176 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 61051671 is about 7813.5568725133. The cubic root of 61051671 is about 393.7608359830.

Adding to 61051671 its reverse (17615016), we get a palindrome (78666687).

It can be divided in two parts, 6105 and 1671, that added together give a 5-th power (7776 = 6⁵).

The spelling of 61051671 in words is "sixty-one million, fifty-one thousand, six hundred seventy-one".