61230393 has 24 divisors (see below), whose sum is σ = 105475968. Its totient is φ = 33466752.

The previous prime is 61230373. The next prime is 61230401. The reversal of 61230393 is 39303216.

It is not a de Polignac number, because 61230393 - 2⁹ = 61229881 is a prime.

It is a super-2 number, since 2×61230393² = 7498322053868898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61230313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19680 + ... + 22577.

It is an arithmetic number, because the mean of its divisors is an integer number (4394832).

Almost surely, 2^61230393 is an apocalyptic number.

61230393 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

61230393 is a deficient number, since it is larger than the sum of its proper divisors (44245575).

61230393 is a wasteful number, since it uses less digits than its factorization.

61230393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42293 (or 42290 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 61230393 is about 7824.9851757048. The cubic root of 61230393 is about 394.1446920621.

The spelling of 61230393 in words is "sixty-one million, two hundred thirty thousand, three hundred ninety-three".