61588243 has 2 divisors, whose sum is σ = 61588244. Its totient is φ = 61588242.

The previous prime is 61588207. The next prime is 61588301. The reversal of 61588243 is 34288516.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61588243 - 2¹⁷ = 61457171 is a prime.

It is a super-2 number, since 2×61588243² = 7586223351654098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61588843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30794121 + 30794122.

It is an arithmetic number, because the mean of its divisors is an integer number (30794122).

Almost surely, 2^61588243 is an apocalyptic number.

61588243 is a deficient number, since it is larger than the sum of its proper divisors (1).

61588243 is an equidigital number, since it uses as much as digits as its factorization.

61588243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 37.

The square root of 61588243 is about 7847.8177221442. The cubic root of 61588243 is about 394.9110369537.

The spelling of 61588243 in words is "sixty-one million, five hundred eighty-eight thousand, two hundred forty-three".