61962421 has 2 divisors, whose sum is σ = 61962422. Its totient is φ = 61962420.

The previous prime is 61962413. The next prime is 61962427. The reversal of 61962421 is 12426916.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33988900 + 27973521 = 5830^2 + 5289^2 .

It is a cyclic number.

It is not a de Polignac number, because 61962421 - 2³ = 61962413 is a prime.

It is a super-3 number, since 3×61962421³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61962427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30981210 + 30981211.

It is an arithmetic number, because the mean of its divisors is an integer number (30981211).

Almost surely, 2^61962421 is an apocalyptic number.

It is an amenable number.

61962421 is a deficient number, since it is larger than the sum of its proper divisors (1).

61962421 is an equidigital number, since it uses as much as digits as its factorization.

61962421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 31.

The square root of 61962421 is about 7871.6212434288. The cubic root of 61962421 is about 395.7091805010.

The spelling of 61962421 in words is "sixty-one million, nine hundred sixty-two thousand, four hundred twenty-one".