697103545 has 4 divisors (see below), whose sum is σ = 836524260. Its totient is φ = 557682832.

The previous prime is 697103461. The next prime is 697103551. The reversal of 697103545 is 545301796.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 467035321 + 230068224 = 21611^2 + 15168^2 .

It is a cyclic number.

It is not a de Polignac number, because 697103545 - 2²³ = 688714937 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 697103498 and 697103507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69710350 + ... + 69710359.

It is an arithmetic number, because the mean of its divisors is an integer number (209131065).

Almost surely, 2^697103545 is an apocalyptic number.

It is an amenable number.

697103545 is a deficient number, since it is larger than the sum of its proper divisors (139420715).

697103545 is a wasteful number, since it uses less digits than its factorization.

697103545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139420714.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 697103545 is about 26402.7185153347. The cubic root of 697103545 is about 886.6776544483.

The spelling of 697103545 in words is "six hundred ninety-seven million, one hundred three thousand, five hundred forty-five".