97051500 has 384 divisors, whose sum is σ = 391372800. Its totient is φ = 20217600.

The previous prime is 97051489. The next prime is 97051501. The reversal of 97051500 is 515079.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97051501) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1228461 + ... + 1228539.

It is an arithmetic number, because the mean of its divisors is an integer number (1019200).

Almost surely, 2^97051500 is an apocalyptic number.

97051500 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97051500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195686400).

97051500 is an abundant number, since it is smaller than the sum of its proper divisors (294321300).

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

97051500 is a wasteful number, since it uses less digits than its factorization.

97051500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 27.

The square root of 97051500 is about 9851.4719712335. The cubic root of 97051500 is about 459.5513899874.

Adding to 97051500 its reverse (515079), we get a palindrome (97566579).

The spelling of 97051500 in words is "ninety-seven million, fifty-one thousand, five hundred".