61120357 has 2 divisors, whose sum is σ = 61120358. Its totient is φ = 61120356.

The previous prime is 61120331. The next prime is 61120363. The reversal of 61120357 is 75302116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60980481 + 139876 = 7809^2 + 374^2 .

It is a cyclic number.

It is not a de Polignac number, because 61120357 - 2⁷ = 61120229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61120307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30560178 + 30560179.

It is an arithmetic number, because the mean of its divisors is an integer number (30560179).

Almost surely, 2^61120357 is an apocalyptic number.

It is an amenable number.

61120357 is a deficient number, since it is larger than the sum of its proper divisors (1).

61120357 is an equidigital number, since it uses as much as digits as its factorization.

61120357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 61120357 is about 7817.9509463797. The cubic root of 61120357 is about 393.9084471242.

The spelling of 61120357 in words is "sixty-one million, one hundred twenty thousand, three hundred fifty-seven".