61893331 has 2 divisors, whose sum is σ = 61893332. Its totient is φ = 61893330.

The previous prime is 61893319. The next prime is 61893343. The reversal of 61893331 is 13339816.

It is a balanced prime because it is at equal distance from previous prime (61893319) and next prime (61893343).

It is a cyclic number.

It is not a de Polignac number, because 61893331 - 2¹³ = 61885139 is a prime.

It is a super-2 number, since 2×61893331² = 7661568844551122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61891331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30946665 + 30946666.

It is an arithmetic number, because the mean of its divisors is an integer number (30946666).

Almost surely, 2^61893331 is an apocalyptic number.

61893331 is a deficient number, since it is larger than the sum of its proper divisors (1).

61893331 is an equidigital number, since it uses as much as digits as its factorization.

61893331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 34.

The square root of 61893331 is about 7867.2314698374. The cubic root of 61893331 is about 395.5620498444.

The spelling of 61893331 in words is "sixty-one million, eight hundred ninety-three thousand, three hundred thirty-one".