61743401 has 2 divisors, whose sum is σ = 61743402. Its totient is φ = 61743400.

The previous prime is 61743397. The next prime is 61743419. The reversal of 61743401 is 10434716.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41267776 + 20475625 = 6424^2 + 4525^2 .

It is a cyclic number.

It is not a de Polignac number, because 61743401 - 2² = 61743397 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61745401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30871700 + 30871701.

It is an arithmetic number, because the mean of its divisors is an integer number (30871701).

Almost surely, 2^61743401 is an apocalyptic number.

It is an amenable number.

61743401 is a deficient number, since it is larger than the sum of its proper divisors (1).

61743401 is an equidigital number, since it uses as much as digits as its factorization.

61743401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 61743401 is about 7857.6969272173. The cubic root of 61743401 is about 395.2423892837.

The spelling of 61743401 in words is "sixty-one million, seven hundred forty-three thousand, four hundred one".