951531641 has 2 divisors, whose sum is σ = 951531642. Its totient is φ = 951531640.

The previous prime is 951531629. The next prime is 951531653. The reversal of 951531641 is 146135159.

It is a balanced prime because it is at equal distance from previous prime (951531629) and next prime (951531653).

It can be written as a sum of positive squares in only one way, i.e., 518017600 + 433514041 = 22760^2 + 20821^2 .

It is an emirp because it is prime and its reverse (146135159) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-951531641 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (951531041) 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, 475765820 + 475765821.

It is an arithmetic number, because the mean of its divisors is an integer number (475765821).

Almost surely, 2^951531641 is an apocalyptic number.

It is an amenable number.

951531641 is a deficient number, since it is larger than the sum of its proper divisors (1).

951531641 is an equidigital number, since it uses as much as digits as its factorization.

951531641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 35.

The square root of 951531641 is about 30846.9065061636. The cubic root of 951531641 is about 983.5755961806.

The spelling of 951531641 in words is "nine hundred fifty-one million, five hundred thirty-one thousand, six hundred forty-one".