2045525751 has 16 divisors (see below), whose sum is σ = 3037623520. Its totient is φ = 1360437120.

The previous prime is 2045525687. The next prime is 2045525761. The reversal of 2045525751 is 1575255402.

2045525751 is a `hidden beast` number, since 2 + 0 + 4 + 552 + 57 + 51 = 666.

It is not a de Polignac number, because 2045525751 - 2⁶ = 2045525687 is a prime.

It is a super-2 number, since 2×2045525751² = 8368351196008228002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045525761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78610 + ... + 101343.

It is an arithmetic number, because the mean of its divisors is an integer number (189851470).

Almost surely, 2^2045525751 is an apocalyptic number.

2045525751 is a deficient number, since it is larger than the sum of its proper divisors (992097769).

2045525751 is a wasteful number, since it uses less digits than its factorization.

2045525751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180383 (or 180377 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 36.

The square root of 2045525751 is about 45227.4888867379. The cubic root of 2045525751 is about 1269.4092259208.

The spelling of 2045525751 in words is "two billion, forty-five million, five hundred twenty-five thousand, seven hundred fifty-one".