61214497 has 2 divisors, whose sum is σ = 61214498. Its totient is φ = 61214496.

The previous prime is 61214479. The next prime is 61214519. The reversal of 61214497 is 79441216.

Together with previous prime (61214479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55338721 + 5875776 = 7439^2 + 2424^2 .

It is a cyclic number.

It is not a de Polignac number, because 61214497 - 2²³ = 52825889 is a prime.

It is not a weakly prime, because it can be changed into another prime (61214407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30607248 + 30607249.

It is an arithmetic number, because the mean of its divisors is an integer number (30607249).

Almost surely, 2^61214497 is an apocalyptic number.

It is an amenable number.

61214497 is a deficient number, since it is larger than the sum of its proper divisors (1).

61214497 is an equidigital number, since it uses as much as digits as its factorization.

61214497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 61214497 is about 7823.9693889994. The cubic root of 61214497 is about 394.1105811902.

The spelling of 61214497 in words is "sixty-one million, two hundred fourteen thousand, four hundred ninety-seven".