61258567 has 2 divisors, whose sum is σ = 61258568. Its totient is φ = 61258566.

The previous prime is 61258541. The next prime is 61258597. The reversal of 61258567 is 76585216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61258567 - 2¹¹ = 61256519 is a prime.

It is a super-2 number, since 2×61258567² = 7505224061786978, which contains 22 as substring.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61258597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30629283 + 30629284.

It is an arithmetic number, because the mean of its divisors is an integer number (30629284).

Almost surely, 2^61258567 is an apocalyptic number.

61258567 is a deficient number, since it is larger than the sum of its proper divisors (1).

61258567 is an equidigital number, since it uses as much as digits as its factorization.

61258567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 40.

The square root of 61258567 is about 7826.7852276653. The cubic root of 61258567 is about 394.2051355187.

The spelling of 61258567 in words is "sixty-one million, two hundred fifty-eight thousand, five hundred sixty-seven".