945901 has 4 divisors (see below), whose sum is σ = 1031904. Its totient is φ = 859900.

The previous prime is 945899. The next prime is 945907. The reversal of 945901 is 109549.

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 945901 - 2¹ = 945899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 945901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945907) 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, 42985 + ... + 43006.

It is an arithmetic number, because the mean of its divisors is an integer number (257976).

2⁹⁴⁵⁹⁰¹ is an apocalyptic number.

It is an amenable number.

945901 is a deficient number, since it is larger than the sum of its proper divisors (86003).

945901 is a wasteful number, since it uses less digits than its factorization.

945901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86002.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 945901 is about 972.5744187465. The cubic root of 945901 is about 98.1631670260.

It can be divided in two parts, 94 and 5901, that added together give a palindrome (5995).

The spelling of 945901 in words is "nine hundred forty-five thousand, nine hundred one".