61548001 has 2 divisors, whose sum is σ = 61548002. Its totient is φ = 61548000.

The previous prime is 61547951. The next prime is 61548029. The reversal of 61548001 is 10084516.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52548001 + 9000000 = 7249^2 + 3000^2 .

It is a cyclic number.

It is not a de Polignac number, because 61548001 - 2⁹ = 61547489 is a prime.

It is not a weakly prime, because it can be changed into another prime (61548301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30774000 + 30774001.

It is an arithmetic number, because the mean of its divisors is an integer number (30774001).

Almost surely, 2^61548001 is an apocalyptic number.

It is an amenable number.

61548001 is a deficient number, since it is larger than the sum of its proper divisors (1).

61548001 is an equidigital number, since it uses as much as digits as its factorization.

61548001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 61548001 is about 7845.2534057225. The cubic root of 61548001 is about 394.8250060722.

The spelling of 61548001 in words is "sixty-one million, five hundred forty-eight thousand, one".