718425 has 36 divisors (see below), whose sum is σ = 1341184. Its totient is φ = 367200.

The previous prime is 718423. The next prime is 718427. The reversal of 718425 is 524817.

It is an interprime number because it is at equal distance from previous prime (718423) and next prime (718427).

It is not a de Polignac number, because 718425 - 2¹ = 718423 is a prime.

It is a super-2 number, since 2×718425² = 1032268961250, which contains 22 as substring.

It is an Ulam number.

It is a zygodrome in base 3.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 718425.

It is not an unprimeable number, because it can be changed into a prime (718423) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6924 + ... + 7026.

2⁷¹⁸⁴²⁵ is an apocalyptic number.

718425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

718425 is a deficient number, since it is larger than the sum of its proper divisors (622759).

718425 is a wasteful number, since it uses less digits than its factorization.

718425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 142 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 718425 is about 847.5995516752. The cubic root of 718425 is about 89.5626934001.

The spelling of 718425 in words is "seven hundred eighteen thousand, four hundred twenty-five".