2403259997 has 2 divisors, whose sum is σ = 2403259998. Its totient is φ = 2403259996.

The previous prime is 2403259993. The next prime is 2403260003. The reversal of 2403259997 is 7999523042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2073982681 + 329277316 = 45541^2 + 18146^2 .

It is a cyclic number.

It is not a de Polignac number, because 2403259997 - 2² = 2403259993 is a prime.

It is a super-2 number, since 2×2403259997² = 11551317226360880018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2403259993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1201629998 + 1201629999.

It is an arithmetic number, because the mean of its divisors is an integer number (1201629999).

Almost surely, 2^2403259997 is an apocalyptic number.

It is an amenable number.

2403259997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2403259997 is an equidigital number, since it uses as much as digits as its factorization.

2403259997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 2403259997 is about 49023.0557697090. The cubic root of 2403259997 is about 1339.4718340631.

The spelling of 2403259997 in words is "two billion, four hundred three million, two hundred fifty-nine thousand, nine hundred ninety-seven".