2501145043 has 4 divisors (see below), whose sum is σ = 2648271240. Its totient is φ = 2354018848.

The previous prime is 2501145013. The next prime is 2501145079. The reversal of 2501145043 is 3405411052.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2501145043 - 2⁹ = 2501144531 is a prime.

It is a super-2 number, since 2×2501145043² = 12511453052246943698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2501144999 and 2501145017.

It is not an unprimeable number, because it can be changed into a prime (2501145013) 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, 73563073 + ... + 73563106.

It is an arithmetic number, because the mean of its divisors is an integer number (662067810).

Almost surely, 2^2501145043 is an apocalyptic number.

2501145043 is a deficient number, since it is larger than the sum of its proper divisors (147126197).

2501145043 is a wasteful number, since it uses less digits than its factorization.

2501145043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147126196.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2501145043 is about 50011.4491191767. The cubic root of 2501145043 is about 1357.4159849966.

Adding to 2501145043 its reverse (3405411052), we get a palindrome (5906556095).

The spelling of 2501145043 in words is "two billion, five hundred one million, one hundred forty-five thousand, forty-three".