61241900 has 36 divisors (see below), whose sum is σ = 133246680. Its totient is φ = 24432000.

The previous prime is 61241891. The next prime is 61241903. The reversal of 61241900 is 914216.

It is a happy number.

It is a super-2 number, since 2×61241900² = 7501140631220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61241903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59591 + ... + 60609.

Almost surely, 2^61241900 is an apocalyptic number.

It is an amenable number.

61241900 is an abundant number, since it is smaller than the sum of its proper divisors (72004780).

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

61241900 is a wasteful number, since it uses less digits than its factorization.

61241900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634 (or 1627 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 61241900 is about 7825.7204141216. The cubic root of 61241900 is about 394.1693809934.

The spelling of 61241900 in words is "sixty-one million, two hundred forty-one thousand, nine hundred".