940862513 has 2 divisors, whose sum is σ = 940862514. Its totient is φ = 940862512.

The previous prime is 940862477. The next prime is 940862551. The reversal of 940862513 is 315268049.

It is a happy number.

It is an a-pointer prime, because the next prime (940862551) can be obtained adding 940862513 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 940832929 + 29584 = 30673^2 + 172^2 .

It is a cyclic number.

It is not a de Polignac number, because 940862513 - 2⁸ = 940862257 is a prime.

It is not a weakly prime, because it can be changed into another prime (942862513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470431256 + 470431257.

It is an arithmetic number, because the mean of its divisors is an integer number (470431257).

Almost surely, 2^940862513 is an apocalyptic number.

It is an amenable number.

940862513 is a deficient number, since it is larger than the sum of its proper divisors (1).

940862513 is an equidigital number, since it uses as much as digits as its factorization.

940862513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 940862513 is about 30673.4822444404. The cubic root of 940862513 is about 979.8856290935.

The spelling of 940862513 in words is "nine hundred forty million, eight hundred sixty-two thousand, five hundred thirteen".