2451541997 has 2 divisors, whose sum is σ = 2451541998. Its totient is φ = 2451541996.

The previous prime is 2451541957. The next prime is 2451542003. The reversal of 2451541997 is 7991451542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1332907081 + 1118634916 = 36509^2 + 33446^2 .

It is a cyclic number.

It is not a de Polignac number, because 2451541997 - 2²⁰ = 2450493421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2451541957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1225770998 + 1225770999.

It is an arithmetic number, because the mean of its divisors is an integer number (1225770999).

Almost surely, 2^2451541997 is an apocalyptic number.

It is an amenable number.

2451541997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2451541997 is an equidigital number, since it uses as much as digits as its factorization.

2451541997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 47.

The square root of 2451541997 is about 49513.0487548485. The cubic root of 2451541997 is about 1348.3825158480.

The spelling of 2451541997 in words is "two billion, four hundred fifty-one million, five hundred forty-one thousand, nine hundred ninety-seven".