61258541 has 2 divisors, whose sum is σ = 61258542. Its totient is φ = 61258540.

The previous prime is 61258493. The next prime is 61258567. The reversal of 61258541 is 14585216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45616516 + 15642025 = 6754^2 + 3955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61258541 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 61258498 and 61258507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61258441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30629270 + 30629271.

It is an arithmetic number, because the mean of its divisors is an integer number (30629271).

Almost surely, 2^61258541 is an apocalyptic number.

It is an amenable number.

61258541 is a deficient number, since it is larger than the sum of its proper divisors (1).

61258541 is an equidigital number, since it uses as much as digits as its factorization.

61258541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 32.

The square root of 61258541 is about 7826.7835667022. The cubic root of 61258541 is about 394.2050797478.

The spelling of 61258541 in words is "sixty-one million, two hundred fifty-eight thousand, five hundred forty-one".