745351 has 4 divisors (see below), whose sum is σ = 784600. Its totient is φ = 706104.

The previous prime is 745343. The next prime is 745357. The reversal of 745351 is 153547.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 153547 = 233 ⋅659.

It is a cyclic number.

It is not a de Polignac number, because 745351 - 2³ = 745343 is a prime.

It is a super-2 number, since 2×745351² = 1111096226402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19596 + ... + 19633.

It is an arithmetic number, because the mean of its divisors is an integer number (196150).

2⁷⁴⁵³⁵¹ is an apocalyptic number.

745351 is a deficient number, since it is larger than the sum of its proper divisors (39249).

745351 is a wasteful number, since it uses less digits than its factorization.

745351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39248.

The product of its digits is 2100, while the sum is 25.

The square root of 745351 is about 863.3371299788. The cubic root of 745351 is about 90.6679116635.

Adding to 745351 its reverse (153547), we get a palindrome (898898).

The spelling of 745351 in words is "seven hundred forty-five thousand, three hundred fifty-one".