51962925437 has 2 divisors, whose sum is σ = 51962925438. Its totient is φ = 51962925436.

The previous prime is 51962925433. The next prime is 51962925451. The reversal of 51962925437 is 73452926915.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28983700516 + 22979224921 = 170246^2 + 151589^2 .

It is a cyclic number.

It is not a de Polignac number, because 51962925437 - 2² = 51962925433 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51962925433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25981462718 + 25981462719.

It is an arithmetic number, because the mean of its divisors is an integer number (25981462719).

Almost surely, 2^51962925437 is an apocalyptic number.

It is an amenable number.

51962925437 is a deficient number, since it is larger than the sum of its proper divisors (1).

51962925437 is an equidigital number, since it uses as much as digits as its factorization.

51962925437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4082400, while the sum is 53.

The spelling of 51962925437 in words is "fifty-one billion, nine hundred sixty-two million, nine hundred twenty-five thousand, four hundred thirty-seven".