61626151 has 2 divisors, whose sum is σ = 61626152. Its totient is φ = 61626150.

The previous prime is 61626143. The next prime is 61626167. The reversal of 61626151 is 15162616.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61626151 - 2³ = 61626143 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61621151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30813075 + 30813076.

It is an arithmetic number, because the mean of its divisors is an integer number (30813076).

Almost surely, 2^61626151 is an apocalyptic number.

61626151 is a deficient number, since it is larger than the sum of its proper divisors (1).

61626151 is an equidigital number, since it uses as much as digits as its factorization.

61626151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 61626151 is about 7850.2325443263. The cubic root of 61626151 is about 394.9920438498.

Adding to 61626151 its reverse (15162616), we get a palindrome (76788767).

It can be divided in two parts, 6162615 and 1, that added together give a palindrome (6162616).

The spelling of 61626151 in words is "sixty-one million, six hundred twenty-six thousand, one hundred fifty-one".