915151061 has 4 divisors (see below), whose sum is σ = 998346624. Its totient is φ = 831955500.

The previous prime is 915151049. The next prime is 915151073. The reversal of 915151061 is 160151519.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 160151519 = 11 ⋅14559229.

It is an interprime number because it is at equal distance from previous prime (915151049) and next prime (915151073).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-915151061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (915151261) 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, 41597765 + ... + 41597786.

It is an arithmetic number, because the mean of its divisors is an integer number (249586656).

Almost surely, 2^915151061 is an apocalyptic number.

It is an amenable number.

915151061 is a deficient number, since it is larger than the sum of its proper divisors (83195563).

915151061 is a wasteful number, since it uses less digits than its factorization.

915151061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83195562.

The product of its (nonzero) digits is 1350, while the sum is 29.

The square root of 915151061 is about 30251.4637827660. The cubic root of 915151061 is about 970.8771111321.

The spelling of 915151061 in words is "nine hundred fifteen million, one hundred fifty-one thousand, sixty-one".