61011494 has 8 divisors (see below), whose sum is σ = 91951608. Its totient is φ = 30360960.

The previous prime is 61011481. The next prime is 61011497. The reversal of 61011494 is 49411016.

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

It is a super-2 number, since 2×61011494² = 7444804800224072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61011497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71867 + ... + 72710.

It is an arithmetic number, because the mean of its divisors is an integer number (11493951).

Almost surely, 2^61011494 is an apocalyptic number.

61011494 is a deficient number, since it is larger than the sum of its proper divisors (30940114).

61011494 is a wasteful number, since it uses less digits than its factorization.

61011494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144790.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 61011494 is about 7810.9854691966. The cubic root of 61011494 is about 393.6744414015.

The spelling of 61011494 in words is "sixty-one million, eleven thousand, four hundred ninety-four".