61246291 has 8 divisors (see below), whose sum is σ = 68262480. Its totient is φ = 54609408.

The previous prime is 61246249. The next prime is 61246321. The reversal of 61246291 is 19264216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61246291 - 2²³ = 52857683 is a prime.

It is a super-2 number, since 2×61246291² = 7502216322513362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61246201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94486 + ... + 95131.

It is an arithmetic number, because the mean of its divisors is an integer number (8532810).

Almost surely, 2^61246291 is an apocalyptic number.

61246291 is a deficient number, since it is larger than the sum of its proper divisors (7016189).

61246291 is a wasteful number, since it uses less digits than its factorization.

61246291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189653.

The product of its digits is 5184, while the sum is 31.

The square root of 61246291 is about 7826.0009583439. Note that the first 3 decimals coincide. The cubic root of 61246291 is about 394.1788013215.

The spelling of 61246291 in words is "sixty-one million, two hundred forty-six thousand, two hundred ninety-one".