61051000 has 32 divisors (see below), whose sum is σ = 142861680. Its totient is φ = 24420000.

The previous prime is 61050991. The next prime is 61051031. The reversal of 61051000 is 15016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29526 + ... + 31525.

Almost surely, 2^61051000 is an apocalyptic number.

It is an amenable number.

61051000 is an abundant number, since it is smaller than the sum of its proper divisors (81810680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61051000 is a wasteful number, since it uses less digits than its factorization.

61051000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61072 (or 61058 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 61051000 is about 7813.5139342040. The cubic root of 61051000 is about 393.7593934099.

Adding to 61051000 its reverse (15016), we get a palindrome (61066016).

The spelling of 61051000 in words is "sixty-one million, fifty-one thousand".