1010256541 has 4 divisors (see below), whose sum is σ = 1154578912. Its totient is φ = 865934172.

The previous prime is 1010256529. The next prime is 1010256589. The reversal of 1010256541 is 1456520101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1010256541 - 2⁷ = 1010256413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010256041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72161175 + ... + 72161188.

It is an arithmetic number, because the mean of its divisors is an integer number (288644728).

Almost surely, 2^1010256541 is an apocalyptic number.

It is an amenable number.

1010256541 is a deficient number, since it is larger than the sum of its proper divisors (144322371).

1010256541 is an equidigital number, since it uses as much as digits as its factorization.

1010256541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144322370.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1010256541 is about 31784.5330467509. The cubic root of 1010256541 is about 1003.4072246353.

Adding to 1010256541 its reverse (1456520101), we get a palindrome (2466776642).

The spelling of 1010256541 in words is "one billion, ten million, two hundred fifty-six thousand, five hundred forty-one".