61067401 has 2 divisors, whose sum is σ = 61067402. Its totient is φ = 61067400.

The previous prime is 61067399. The next prime is 61067437. The reversal of 61067401 is 10476016.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31091776 + 29975625 = 5576^2 + 5475^2 .

It is a cyclic number.

It is not a de Polignac number, because 61067401 - 2¹ = 61067399 is a prime.

Together with 61067399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (61067441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30533700 + 30533701.

It is an arithmetic number, because the mean of its divisors is an integer number (30533701).

Almost surely, 2^61067401 is an apocalyptic number.

It is an amenable number.

61067401 is a deficient number, since it is larger than the sum of its proper divisors (1).

61067401 is an equidigital number, since it uses as much as digits as its factorization.

61067401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 61067401 is about 7814.5633915146. The cubic root of 61067401 is about 393.7946506516.

The spelling of 61067401 in words is "sixty-one million, sixty-seven thousand, four hundred one".