755097431 has 4 divisors (see below), whose sum is σ = 823742664. Its totient is φ = 686452200.

The previous prime is 755097407. The next prime is 755097433. The reversal of 755097431 is 134790557.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-755097431 is a prime.

It is a super-2 number, since 2×755097431² = 1140344260605599522, 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 (755097433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34322600 + ... + 34322621.

It is an arithmetic number, because the mean of its divisors is an integer number (205935666).

Almost surely, 2^755097431 is an apocalyptic number.

755097431 is a deficient number, since it is larger than the sum of its proper divisors (68645233).

755097431 is a wasteful number, since it uses less digits than its factorization.

755097431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68645232.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 755097431 is about 27479.0362094452. The cubic root of 755097431 is about 910.6140166299.

The spelling of 755097431 in words is "seven hundred fifty-five million, ninety-seven thousand, four hundred thirty-one".