61012523 has 8 divisors (see below), whose sum is σ = 71679216. Its totient is φ = 51199200.

The previous prime is 61012517. The next prime is 61012543. The reversal of 61012523 is 32521016.

61012523 is nontrivially palindromic in base 8.

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

It is not a de Polignac number, because 61012523 - 2⁶ = 61012459 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61012495 and 61012504.

It is not an unprimeable number, because it can be changed into a prime (61012513) 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, 213188 + ... + 213473.

It is an arithmetic number, because the mean of its divisors is an integer number (8959902).

Almost surely, 2^61012523 is an apocalyptic number.

61012523 is a deficient number, since it is larger than the sum of its proper divisors (10666693).

61012523 is a wasteful number, since it uses less digits than its factorization.

61012523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426685.

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

The square root of 61012523 is about 7811.0513376882. The cubic root of 61012523 is about 393.6766545841.

Adding to 61012523 its reverse (32521016), we get a palindrome (93533539).

The spelling of 61012523 in words is "sixty-one million, twelve thousand, five hundred twenty-three".