61949263 has 2 divisors, whose sum is σ = 61949264. Its totient is φ = 61949262.

The previous prime is 61949257. The next prime is 61949269. The reversal of 61949263 is 36294916.

It is a balanced prime because it is at equal distance from previous prime (61949257) and next prime (61949269).

It is a cyclic number.

It is not a de Polignac number, because 61949263 - 2⁵ = 61949231 is a prime.

It is a super-2 number, since 2×61949263² = 7675422372486338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61949269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30974631 + 30974632.

It is an arithmetic number, because the mean of its divisors is an integer number (30974632).

Almost surely, 2^61949263 is an apocalyptic number.

61949263 is a deficient number, since it is larger than the sum of its proper divisors (1).

61949263 is an equidigital number, since it uses as much as digits as its factorization.

61949263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 40.

The square root of 61949263 is about 7870.7854118887. The cubic root of 61949263 is about 395.6811683074.

The spelling of 61949263 in words is "sixty-one million, nine hundred forty-nine thousand, two hundred sixty-three".