675961451 has 4 divisors (see below), whose sum is σ = 737412504. Its totient is φ = 614510400.

The previous prime is 675961427. The next prime is 675961457. The reversal of 675961451 is 154169576.

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 675961451 - 2¹⁰ = 675960427 is a prime.

It is a super-3 number, since 3×675961451³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675961457) 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, 30725510 + ... + 30725531.

It is an arithmetic number, because the mean of its divisors is an integer number (184353126).

Almost surely, 2^675961451 is an apocalyptic number.

675961451 is a deficient number, since it is larger than the sum of its proper divisors (61451053).

675961451 is a wasteful number, since it uses less digits than its factorization.

675961451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61451052.

The product of its digits is 226800, while the sum is 44.

The square root of 675961451 is about 25999.2586625081. The cubic root of 675961451 is about 877.6216127313.

The spelling of 675961451 in words is "six hundred seventy-five million, nine hundred sixty-one thousand, four hundred fifty-one".