61340523 has 8 divisors (see below), whose sum is σ = 81841728. Its totient is φ = 40866504.

The previous prime is 61340519. The next prime is 61340527. The reversal of 61340523 is 32504316.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (61340519) and next prime (61340527).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61340523 - 2² = 61340519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61340493 and 61340502.

It is not an unprimeable number, because it can be changed into a prime (61340527) 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 7 ways as a sum of consecutive naturals, for example, 765 + ... + 11102.

It is an arithmetic number, because the mean of its divisors is an integer number (10230216).

Almost surely, 2^61340523 is an apocalyptic number.

61340523 is a deficient number, since it is larger than the sum of its proper divisors (20501205).

61340523 is a wasteful number, since it uses less digits than its factorization.

61340523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13593.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 61340523 is about 7832.0190883322. The cubic root of 61340523 is about 394.3808555887.

Adding to 61340523 its reverse (32504316), we get a palindrome (93844839).

The spelling of 61340523 in words is "sixty-one million, three hundred forty thousand, five hundred twenty-three".