61434001 has 4 divisors (see below), whose sum is σ = 61527604. Its totient is φ = 61340400.

The previous prime is 61433993. The next prime is 61434017. The reversal of 61434001 is 10043416.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18190225 + 43243776 = 4265^2 + 6576^2 .

It is a cyclic number.

It is not a de Polignac number, because 61434001 - 2³ = 61433993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61434001.

It is not an unprimeable number, because it can be changed into a prime (61434101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45810 + ... + 47131.

It is an arithmetic number, because the mean of its divisors is an integer number (15381901).

Almost surely, 2^61434001 is an apocalyptic number.

It is an amenable number.

61434001 is a deficient number, since it is larger than the sum of its proper divisors (93603).

61434001 is an equidigital number, since it uses as much as digits as its factorization.

61434001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93602.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 61434001 is about 7837.9844985813. The cubic root of 61434001 is about 394.5810887611.

Adding to 61434001 its reverse (10043416), we get a palindrome (71477417).

The spelling of 61434001 in words is "sixty-one million, four hundred thirty-four thousand, one".