897913951 has 16 divisors (see below), whose sum is σ = 1075933440. Its totient is φ = 739696320.

The previous prime is 897913949. The next prime is 897913963. The reversal of 897913951 is 159319798.

It is a happy number.

897913951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 897913951 - 2¹ = 897913949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897913931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88590 + ... + 98203.

It is an arithmetic number, because the mean of its divisors is an integer number (67245840).

Almost surely, 2^897913951 is an apocalyptic number.

897913951 is a deficient number, since it is larger than the sum of its proper divisors (178019489).

897913951 is a wasteful number, since it uses less digits than its factorization.

897913951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186846.

The product of its digits is 612360, while the sum is 52.

The square root of 897913951 is about 29965.2123469866. The cubic root of 897913951 is about 964.7428600667.

The spelling of 897913951 in words is "eight hundred ninety-seven million, nine hundred thirteen thousand, nine hundred fifty-one".