61124519 has 2 divisors, whose sum is σ = 61124520. Its totient is φ = 61124518.

The previous prime is 61124513. The next prime is 61124549. The reversal of 61124519 is 91542116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61124519 - 2¹⁶ = 61058983 is a prime.

It is a super-2 number, since 2×61124519² = 7472413645962722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 61124491 and 61124500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61124513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30562259 + 30562260.

It is an arithmetic number, because the mean of its divisors is an integer number (30562260).

Almost surely, 2^61124519 is an apocalyptic number.

61124519 is a deficient number, since it is larger than the sum of its proper divisors (1).

61124519 is an equidigital number, since it uses as much as digits as its factorization.

61124519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 29.

The square root of 61124519 is about 7818.2171241275. The cubic root of 61124519 is about 393.9173880065.

The spelling of 61124519 in words is "sixty-one million, one hundred twenty-four thousand, five hundred nineteen".