968403551 has 4 divisors (see below), whose sum is σ = 969999552. Its totient is φ = 966807552.

The previous prime is 968403529. The next prime is 968403587. The reversal of 968403551 is 155304869.

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-968403551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 968403499 and 968403508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968403511) 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, 797090 + ... + 798303.

It is an arithmetic number, because the mean of its divisors is an integer number (242499888).

Almost surely, 2^968403551 is an apocalyptic number.

968403551 is a deficient number, since it is larger than the sum of its proper divisors (1596001).

968403551 is a wasteful number, since it uses less digits than its factorization.

968403551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596000.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 968403551 is about 31119.1830066279. The cubic root of 968403551 is about 989.3549350152.

The spelling of 968403551 in words is "nine hundred sixty-eight million, four hundred three thousand, five hundred fifty-one".