75461831 has 2 divisors, whose sum is σ = 75461832. Its totient is φ = 75461830.

The previous prime is 75461807. The next prime is 75461839. The reversal of 75461831 is 13816457.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75461831 - 2²² = 71267527 is a prime.

It is a super-2 number, since 2×75461831² = 11388975875745122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 75461791 and 75461800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75461839) 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 as a sum of consecutive naturals, namely, 37730915 + 37730916.

It is an arithmetic number, because the mean of its divisors is an integer number (37730916).

Almost surely, 2^75461831 is an apocalyptic number.

75461831 is a deficient number, since it is larger than the sum of its proper divisors (1).

75461831 is an equidigital number, since it uses as much as digits as its factorization.

75461831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

The square root of 75461831 is about 8686.8769416862. The cubic root of 75461831 is about 422.5801694209.

The spelling of 75461831 in words is "seventy-five million, four hundred sixty-one thousand, eight hundred thirty-one".