964551 has 16 divisors (see below), whose sum is σ = 1534464. Its totient is φ = 526944.

The previous prime is 964531. The next prime is 964559. The reversal of 964551 is 155469.

It is not a de Polignac number, because 964551 - 2⁵ = 964519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964559) 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, 516 + ... + 1481.

It is an arithmetic number, because the mean of its divisors is an integer number (95904).

2⁹⁶⁴⁵⁵¹ is an apocalyptic number.

964551 is a deficient number, since it is larger than the sum of its proper divisors (569913).

964551 is a wasteful number, since it uses less digits than its factorization.

964551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030.

The product of its digits is 5400, while the sum is 30.

The square root of 964551 is about 982.1155736470. The cubic root of 964551 is about 98.8041224438.

The spelling of 964551 in words is "nine hundred sixty-four thousand, five hundred fifty-one".