61430801 has 2 divisors, whose sum is σ = 61430802. Its totient is φ = 61430800.

The previous prime is 61430797. The next prime is 61430807. The reversal of 61430801 is 10803416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41938576 + 19492225 = 6476^2 + 4415^2 .

It is a cyclic number.

It is not a de Polignac number, because 61430801 - 2² = 61430797 is a prime.

It is equal to p_3641900 and since 61430801 and 3641900 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (61430807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30715400 + 30715401.

It is an arithmetic number, because the mean of its divisors is an integer number (30715401).

Almost surely, 2^61430801 is an apocalyptic number.

It is an amenable number.

61430801 is a deficient number, since it is larger than the sum of its proper divisors (1).

61430801 is an equidigital number, since it uses as much as digits as its factorization.

61430801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 61430801 is about 7837.7803618116. The cubic root of 61430801 is about 394.5742376071.

The spelling of 61430801 in words is "sixty-one million, four hundred thirty thousand, eight hundred one".