61492999 has 2 divisors, whose sum is σ = 61493000. Its totient is φ = 61492998.

The previous prime is 61492997. The next prime is 61493009. The reversal of 61492999 is 99929416.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61492999 - 2¹ = 61492997 is a prime.

Together with 61492997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61492993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30746499 + 30746500.

It is an arithmetic number, because the mean of its divisors is an integer number (30746500).

Almost surely, 2^61492999 is an apocalyptic number.

61492999 is a deficient number, since it is larger than the sum of its proper divisors (1).

61492999 is an equidigital number, since it uses as much as digits as its factorization.

61492999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 314928, while the sum is 49.

The square root of 61492999 is about 7841.7471905182. The cubic root of 61492999 is about 394.7073600253.

The spelling of 61492999 in words is "sixty-one million, four hundred ninety-two thousand, nine hundred ninety-nine".