696478501 has 2 divisors, whose sum is σ = 696478502. Its totient is φ = 696478500.

The previous prime is 696478493. The next prime is 696478507. The reversal of 696478501 is 105874696.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 429940225 + 266538276 = 20735^2 + 16326^2 .

It is a cyclic number.

It is not a de Polignac number, because 696478501 - 2³ = 696478493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (696478507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348239250 + 348239251.

It is an arithmetic number, because the mean of its divisors is an integer number (348239251).

Almost surely, 2^696478501 is an apocalyptic number.

It is an amenable number.

696478501 is a deficient number, since it is larger than the sum of its proper divisors (1).

696478501 is an equidigital number, since it uses as much as digits as its factorization.

696478501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 696478501 is about 26390.8791251826. The cubic root of 696478501 is about 886.4125679220.

The spelling of 696478501 in words is "six hundred ninety-six million, four hundred seventy-eight thousand, five hundred one".