2545043624 has 8 divisors (see below), whose sum is σ = 4771956810. Its totient is φ = 1272521808.

The previous prime is 2545043609. The next prime is 2545043639. The reversal of 2545043624 is 4263405452.

It is an interprime number because it is at equal distance from previous prime (2545043609) and next prime (2545043639).

It can be written as a sum of positive squares in only one way, i.e., 1757118724 + 787924900 = 41918^2 + 28070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159065219 + ... + 159065234.

Almost surely, 2^2545043624 is an apocalyptic number.

It is an amenable number.

2545043624 is a deficient number, since it is larger than the sum of its proper divisors (2226913186).

2545043624 is a wasteful number, since it uses less digits than its factorization.

2545043624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318130459 (or 318130455 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

The square root of 2545043624 is about 50448.4253867254. The cubic root of 2545043624 is about 1365.3114853118.

The spelling of 2545043624 in words is "two billion, five hundred forty-five million, forty-three thousand, six hundred twenty-four".