2545262546 has 8 divisors (see below), whose sum is σ = 3949545420. Its totient is φ = 1228747408.

The previous prime is 2545262543. The next prime is 2545262549. The reversal of 2545262546 is 6452625452.

It is an interprime number because it is at equal distance from previous prime (2545262543) and next prime (2545262549).

It can be written as a sum of positive squares in 2 ways, for example, as 2497500625 + 47761921 = 49975^2 + 6911^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2545262546² = 12956722856140804232, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2545262543) 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, 21941861 + ... + 21941976.

Almost surely, 2^2545262546 is an apocalyptic number.

2545262546 is a deficient number, since it is larger than the sum of its proper divisors (1404282874).

2545262546 is a wasteful number, since it uses less digits than its factorization.

2545262546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43883868.

The product of its digits is 576000, while the sum is 41.

The square root of 2545262546 is about 50450.5951005536. The cubic root of 2545262546 is about 1365.3506317464.

Adding to 2545262546 its reverse (6452625452), we get a palindrome (8997887998).

The spelling of 2545262546 in words is "two billion, five hundred forty-five million, two hundred sixty-two thousand, five hundred forty-six".