61469587 has 2 divisors, whose sum is σ = 61469588. Its totient is φ = 61469586.

The previous prime is 61469567. The next prime is 61469623. The reversal of 61469587 is 78596416.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61469587 is a prime.

It is not a weakly prime, because it can be changed into another prime (61469567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30734793 + 30734794.

It is an arithmetic number, because the mean of its divisors is an integer number (30734794).

Almost surely, 2^61469587 is an apocalyptic number.

61469587 is a deficient number, since it is larger than the sum of its proper divisors (1).

61469587 is an equidigital number, since it uses as much as digits as its factorization.

61469587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 46.

The square root of 61469587 is about 7840.2542688359. The cubic root of 61469587 is about 394.6572618469.

The spelling of 61469587 in words is "sixty-one million, four hundred sixty-nine thousand, five hundred eighty-seven".