61140526 has 16 divisors (see below), whose sum is σ = 95372640. Its totient is φ = 29360800.

The previous prime is 61140523. The next prime is 61140623. The reversal of 61140526 is 62504116.

It is a self number, because there is not a number n which added to its sum of digits gives 61140526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61140523) 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, 8751 + ... + 14101.

It is an arithmetic number, because the mean of its divisors is an integer number (5960790).

Almost surely, 2^61140526 is an apocalyptic number.

61140526 is a deficient number, since it is larger than the sum of its proper divisors (34232114).

61140526 is a wasteful number, since it uses less digits than its factorization.

61140526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5579.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 61140526 is about 7819.2407559814. The cubic root of 61140526 is about 393.9517707463.

The spelling of 61140526 in words is "sixty-one million, one hundred forty thousand, five hundred twenty-six".