695251 has 4 divisors (see below), whose sum is σ = 698400. Its totient is φ = 692104.

The previous prime is 695243. The next prime is 695257. The reversal of 695251 is 152596.

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

It is a cyclic number.

It is not a de Polignac number, because 695251 - 2³ = 695243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (695257) 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, 1216 + ... + 1693.

It is an arithmetic number, because the mean of its divisors is an integer number (174600).

2⁶⁹⁵²⁵¹ is an apocalyptic number.

695251 is a deficient number, since it is larger than the sum of its proper divisors (3149).

695251 is a wasteful number, since it uses less digits than its factorization.

695251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3148.

The product of its digits is 2700, while the sum is 28.

The square root of 695251 is about 833.8171262333. The cubic root of 695251 is about 88.5891512278.

It can be divided in two parts, 695 and 251, that added together give a triangular number (946 = T₄₃).

The spelling of 695251 in words is "six hundred ninety-five thousand, two hundred fifty-one".