2045254531 has 2 divisors, whose sum is σ = 2045254532. Its totient is φ = 2045254530.

The previous prime is 2045254499. The next prime is 2045254559. The reversal of 2045254531 is 1354525402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2045254531 - 2⁵ = 2045254499 is a prime.

It is a super-2 number, since 2×2045254531² = 8366132193152059922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2045254493 and 2045254502.

It is not a weakly prime, because it can be changed into another prime (2045254831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022627265 + 1022627266.

It is an arithmetic number, because the mean of its divisors is an integer number (1022627266).

Almost surely, 2^2045254531 is an apocalyptic number.

2045254531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045254531 is an equidigital number, since it uses as much as digits as its factorization.

2045254531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 2045254531 is about 45224.4903896108. The cubic root of 2045254531 is about 1269.3531190107.

Adding to 2045254531 its reverse (1354525402), we get a palindrome (3399779933).

The spelling of 2045254531 in words is "two billion, forty-five million, two hundred fifty-four thousand, five hundred thirty-one".