61526 has 4 divisors (see below), whose sum is σ = 92292. Its totient is φ = 30762.

The previous prime is 61519. The next prime is 61543. The reversal of 61526 is 62516.

61526 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

61526 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 61498 and 61507.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 61526.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15380 + ... + 15383.

It is an arithmetic number, because the mean of its divisors is an integer number (23073).

2⁶¹⁵²⁶ is an apocalyptic number.

61526 is a deficient number, since it is larger than the sum of its proper divisors (30766).

61526 is a wasteful number, since it uses less digits than its factorization.

61526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30765.

The product of its digits is 360, while the sum is 20.

The square root of 61526 is about 248.0443508730. The cubic root of 61526 is about 39.4777955640.

Subtracting 61526 from its reverse (62516), we obtain a triangular number (990 = T₄₄).

The spelling of 61526 in words is "sixty-one thousand, five hundred twenty-six".