1025045043 has 16 divisors (see below), whose sum is σ = 1522699776. Its totient is φ = 608020640.

The previous prime is 1025045033. The next prime is 1025045057. The reversal of 1025045043 is 3405405201.

It is a cyclic number.

It is not a de Polignac number, because 1025045043 - 2⁵ = 1025045011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1025045033) 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, 328896 + ... + 331997.

It is an arithmetic number, because the mean of its divisors is an integer number (95168736).

Almost surely, 2^1025045043 is an apocalyptic number.

1025045043 is a deficient number, since it is larger than the sum of its proper divisors (497654733).

1025045043 is a wasteful number, since it uses less digits than its factorization.

1025045043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660954.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1025045043 is about 32016.3246329119. The cubic root of 1025045043 is about 1008.2796065872.

The spelling of 1025045043 in words is "one billion, twenty-five million, forty-five thousand, forty-three".