4245448531 has 2 divisors, whose sum is σ = 4245448532. Its totient is φ = 4245448530.

The previous prime is 4245448513. The next prime is 4245448631. The reversal of 4245448531 is 1358445424.

It is a happy number.

Together with previous prime (4245448513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4245448531 - 2²⁹ = 3708577619 is a prime.

It is a super-2 number, since 2×4245448531² = 36047666458740115922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4245448511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2122724265 + 2122724266.

It is an arithmetic number, because the mean of its divisors is an integer number (2122724266).

Almost surely, 2^4245448531 is an apocalyptic number.

4245448531 is a deficient number, since it is larger than the sum of its proper divisors (1).

4245448531 is an equidigital number, since it uses as much as digits as its factorization.

4245448531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 307200, while the sum is 40.

The square root of 4245448531 is about 65157.1065272239. The cubic root of 4245448531 is about 1619.2274590914.

The spelling of 4245448531 in words is "four billion, two hundred forty-five million, four hundred forty-eight thousand, five hundred thirty-one".