966249451 has 4 divisors (see below), whose sum is σ = 1023087672. Its totient is φ = 909411232.

The previous prime is 966249409. The next prime is 966249491. The reversal of 966249451 is 154942669.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154942669 = 7 ⋅22134667.

It is a cyclic number.

It is not a de Polignac number, because 966249451 - 2¹³ = 966241259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (966249491) 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, 28419085 + ... + 28419118.

It is an arithmetic number, because the mean of its divisors is an integer number (255771918).

Almost surely, 2^966249451 is an apocalyptic number.

966249451 is a deficient number, since it is larger than the sum of its proper divisors (56838221).

966249451 is a wasteful number, since it uses less digits than its factorization.

966249451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56838220.

The product of its digits is 466560, while the sum is 46.

The square root of 966249451 is about 31084.5532539877. The cubic root of 966249451 is about 988.6208224655.

The spelling of 966249451 in words is "nine hundred sixty-six million, two hundred forty-nine thousand, four hundred fifty-one".