97151430 has 64 divisors (see below), whose sum is σ = 250449408. Its totient is φ = 24030720.

The previous prime is 97151419. The next prime is 97151441. The reversal of 97151430 is 3415179.

It is an interprime number because it is at equal distance from previous prime (97151419) and next prime (97151441).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34869 + ... + 37551.

It is an arithmetic number, because the mean of its divisors is an integer number (3913272).

Almost surely, 2^97151430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97151430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125224704).

97151430 is an abundant number, since it is smaller than the sum of its proper divisors (153297978).

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

97151430 is a wasteful number, since it uses less digits than its factorization.

97151430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 97151430 is about 9856.5424972452. The cubic root of 97151430 is about 459.7090630363.

The spelling of 97151430 in words is "ninety-seven million, one hundred fifty-one thousand, four hundred thirty".