61589401 has 2 divisors, whose sum is σ = 61589402. Its totient is φ = 61589400.

The previous prime is 61589383. The next prime is 61589449. The reversal of 61589401 is 10498516.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57078025 + 4511376 = 7555^2 + 2124^2 .

It is a cyclic number.

It is not a de Polignac number, because 61589401 - 2⁷ = 61589273 is a prime.

It is not a weakly prime, because it can be changed into another prime (61584401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30794700 + 30794701.

It is an arithmetic number, because the mean of its divisors is an integer number (30794701).

Almost surely, 2^61589401 is an apocalyptic number.

It is an amenable number.

61589401 is a deficient number, since it is larger than the sum of its proper divisors (1).

61589401 is an equidigital number, since it uses as much as digits as its factorization.

61589401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 61589401 is about 7847.8915002694. The cubic root of 61589401 is about 394.9135120155.

The spelling of 61589401 in words is "sixty-one million, five hundred eighty-nine thousand, four hundred one".