61268797 has 2 divisors, whose sum is σ = 61268798. Its totient is φ = 61268796.

The previous prime is 61268783. The next prime is 61268807. The reversal of 61268797 is 79786216.

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., 50893956 + 10374841 = 7134^2 + 3221^2 .

It is a cyclic number.

It is not a de Polignac number, because 61268797 - 2²³ = 52880189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61268197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30634398 + 30634399.

It is an arithmetic number, because the mean of its divisors is an integer number (30634399).

Almost surely, 2^61268797 is an apocalyptic number.

It is an amenable number.

61268797 is a deficient number, since it is larger than the sum of its proper divisors (1).

61268797 is an equidigital number, since it uses as much as digits as its factorization.

61268797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 46.

The square root of 61268797 is about 7827.4387254069. The cubic root of 61268797 is about 394.2270779955.

The spelling of 61268797 in words is "sixty-one million, two hundred sixty-eight thousand, seven hundred ninety-seven".