61246459 has 2 divisors, whose sum is σ = 61246460. Its totient is φ = 61246458.

The previous prime is 61246439. The next prime is 61246511. The reversal of 61246459 is 95464216.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61246459 is a prime.

It is a super-2 number, since 2×61246459² = 7502257480077362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61246439) 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, 30623229 + 30623230.

It is an arithmetic number, because the mean of its divisors is an integer number (30623230).

Almost surely, 2^61246459 is an apocalyptic number.

61246459 is a deficient number, since it is larger than the sum of its proper divisors (1).

61246459 is an equidigital number, since it uses as much as digits as its factorization.

61246459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 37.

The square root of 61246459 is about 7826.0116917878. The cubic root of 61246459 is about 394.1791617351.

The spelling of 61246459 in words is "sixty-one million, two hundred forty-six thousand, four hundred fifty-nine".