2454400061 has 2 divisors, whose sum is σ = 2454400062. Its totient is φ = 2454400060.

The previous prime is 2454400057. The next prime is 2454400063. The reversal of 2454400061 is 1600044542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2452725625 + 1674436 = 49525^2 + 1294^2 .

It is a cyclic number.

It is not a de Polignac number, because 2454400061 - 2² = 2454400057 is a prime.

It is a Sophie Germain prime.

Together with 2454400063, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2454400061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2454400063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1227200030 + 1227200031.

It is an arithmetic number, because the mean of its divisors is an integer number (1227200031).

Almost surely, 2^2454400061 is an apocalyptic number.

It is an amenable number.

2454400061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2454400061 is an equidigital number, since it uses as much as digits as its factorization.

2454400061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2454400061 is about 49541.9020728918. The cubic root of 2454400061 is about 1348.9063041275.

The spelling of 2454400061 in words is "two billion, four hundred fifty-four million, four hundred thousand, sixty-one".