62495989 has 2 divisors, whose sum is σ = 62495990. Its totient is φ = 62495988.

The previous prime is 62495987. The next prime is 62495999. The reversal of 62495989 is 98959426.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59136100 + 3359889 = 7690^2 + 1833^2 .

It is a cyclic number.

It is not a de Polignac number, because 62495989 - 2¹ = 62495987 is a prime.

Together with 62495987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62495981) 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, 31247994 + 31247995.

It is an arithmetic number, because the mean of its divisors is an integer number (31247995).

Almost surely, 2^62495989 is an apocalyptic number.

It is an amenable number.

62495989 is a deficient number, since it is larger than the sum of its proper divisors (1).

62495989 is an equidigital number, since it uses as much as digits as its factorization.

62495989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 52.

The square root of 62495989 is about 7905.4404684369. The cubic root of 62495989 is about 396.8417733896.

The spelling of 62495989 in words is "sixty-two million, four hundred ninety-five thousand, nine hundred eighty-nine".