696947225 has 24 divisors (see below), whose sum is σ = 952355712. Its totient is φ = 502689600.

The previous prime is 696947221. The next prime is 696947261. The reversal of 696947225 is 522749696.

It is not a de Polignac number, because 696947225 - 2² = 696947221 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (696947221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10961 + ... + 38910.

It is an arithmetic number, because the mean of its divisors is an integer number (39681488).

Almost surely, 2^696947225 is an apocalyptic number.

696947225 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

696947225 is a deficient number, since it is larger than the sum of its proper divisors (255408487).

696947225 is a wasteful number, since it uses less digits than its factorization.

696947225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49937 (or 49932 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 50.

The square root of 696947225 is about 26399.7580481337. The cubic root of 696947225 is about 886.6113726582.

The spelling of 696947225 in words is "six hundred ninety-six million, nine hundred forty-seven thousand, two hundred twenty-five".