62512421 has 2 divisors, whose sum is σ = 62512422. Its totient is φ = 62512420.

The previous prime is 62512409. The next prime is 62512427. The reversal of 62512421 is 12421526.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60621796 + 1890625 = 7786^2 + 1375^2 .

It is a cyclic number.

It is not a de Polignac number, because 62512421 - 2⁶ = 62512357 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62512427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31256210 + 31256211.

It is an arithmetic number, because the mean of its divisors is an integer number (31256211).

Almost surely, 2^62512421 is an apocalyptic number.

It is an amenable number.

62512421 is a deficient number, since it is larger than the sum of its proper divisors (1).

62512421 is an equidigital number, since it uses as much as digits as its factorization.

62512421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 23.

The square root of 62512421 is about 7906.4796844108. The cubic root of 62512421 is about 396.8765507286.

Adding to 62512421 its reverse (12421526), we get a palindrome (74933947).

The spelling of 62512421 in words is "sixty-two million, five hundred twelve thousand, four hundred twenty-one".