925124891 has 4 divisors (see below), whose sum is σ = 925360800. Its totient is φ = 924888984.

The previous prime is 925124881. The next prime is 925124899. The reversal of 925124891 is 198421529.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-925124891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (925124899) 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, 111971 + ... + 119948.

It is an arithmetic number, because the mean of its divisors is an integer number (231340200).

Almost surely, 2^925124891 is an apocalyptic number.

925124891 is a deficient number, since it is larger than the sum of its proper divisors (235909).

925124891 is a wasteful number, since it uses less digits than its factorization.

925124891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235908.

The product of its digits is 51840, while the sum is 41.

The square root of 925124891 is about 30415.8657775839. The cubic root of 925124891 is about 974.3914294729.

The spelling of 925124891 in words is "nine hundred twenty-five million, one hundred twenty-four thousand, eight hundred ninety-one".