2642501245 has 4 divisors (see below), whose sum is σ = 3171001500. Its totient is φ = 2114000992.

The previous prime is 2642501227. The next prime is 2642501249. The reversal of 2642501245 is 5421052462.

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 2003726169 + 638775076 = 44763^2 + 25274^2 .

It is a cyclic number.

It is not a de Polignac number, because 2642501245 - 2⁹ = 2642500733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642501249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264250120 + ... + 264250129.

It is an arithmetic number, because the mean of its divisors is an integer number (792750375).

Almost surely, 2^2642501245 is an apocalyptic number.

It is an amenable number.

2642501245 is a deficient number, since it is larger than the sum of its proper divisors (528500255).

2642501245 is an equidigital number, since it uses as much as digits as its factorization.

2642501245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528500254.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 2642501245 is about 51405.2647595555. The cubic root of 2642501245 is about 1382.5209895803.

The spelling of 2642501245 in words is "two billion, six hundred forty-two million, five hundred one thousand, two hundred forty-five".