2602172245 has 4 divisors (see below), whose sum is σ = 3122606700. Its totient is φ = 2081737792.

The previous prime is 2602172239. The next prime is 2602172273. The reversal of 2602172245 is 5422712062.

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

It can be written as a sum of positive squares in 2 ways, for example, as 469025649 + 2133146596 = 21657^2 + 46186^2 .

It is a cyclic number.

It is not a de Polignac number, because 2602172245 - 2⁵ = 2602172213 is a prime.

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, 260217220 + ... + 260217229.

It is an arithmetic number, because the mean of its divisors is an integer number (780651675).

Almost surely, 2^2602172245 is an apocalyptic number.

It is an amenable number.

2602172245 is a deficient number, since it is larger than the sum of its proper divisors (520434455).

2602172245 is an equidigital number, since it uses as much as digits as its factorization.

2602172245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520434454.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 2602172245 is about 51011.4913034308. The cubic root of 2602172245 is about 1375.4517074591.

The spelling of 2602172245 in words is "two billion, six hundred two million, one hundred seventy-two thousand, two hundred forty-five".