9400523261 has 2 divisors, whose sum is σ = 9400523262. Its totient is φ = 9400523260.

The previous prime is 9400523233. The next prime is 9400523281. The reversal of 9400523261 is 1623250049.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9094483225 + 306040036 = 95365^2 + 17494^2 .

It is a cyclic number.

It is not a de Polignac number, because 9400523261 - 2²⁶ = 9333414397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9400523281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4700261630 + 4700261631.

It is an arithmetic number, because the mean of its divisors is an integer number (4700261631).

Almost surely, 2^9400523261 is an apocalyptic number.

It is an amenable number.

9400523261 is a deficient number, since it is larger than the sum of its proper divisors (1).

9400523261 is an equidigital number, since it uses as much as digits as its factorization.

9400523261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 9400523261 is about 96956.2956233374. The cubic root of 9400523261 is about 2110.4934539914.

The spelling of 9400523261 in words is "nine billion, four hundred million, five hundred twenty-three thousand, two hundred sixty-one".