2497307405 has 4 divisors (see below), whose sum is σ = 2996768892. Its totient is φ = 1997845920.

The previous prime is 2497307399. The next prime is 2497307411. The reversal of 2497307405 is 5047037942.

2497307405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (2497307399) and next prime (2497307411).

It can be written as a sum of positive squares in 2 ways, for example, as 1745067076 + 752240329 = 41774^2 + 27427^2 .

It is not a de Polignac number, because 2497307405 - 2¹⁶ = 2497241869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249730736 + ... + 249730745.

It is an arithmetic number, because the mean of its divisors is an integer number (749192223).

Almost surely, 2^2497307405 is an apocalyptic number.

It is an amenable number.

2497307405 is a deficient number, since it is larger than the sum of its proper divisors (499461487).

2497307405 is an equidigital number, since it uses as much as digits as its factorization.

2497307405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499461486.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 2497307405 is about 49973.0667960252. The cubic root of 2497307405 is about 1356.7213781084.

The spelling of 2497307405 in words is "two billion, four hundred ninety-seven million, three hundred seven thousand, four hundred five".