961245437 has 2 divisors, whose sum is σ = 961245438. Its totient is φ = 961245436.

The previous prime is 961245431. The next prime is 961245469. The reversal of 961245437 is 734542169.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 856674361 + 104571076 = 29269^2 + 10226^2 .

It is an emirp because it is prime and its reverse (734542169) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 961245437 - 2¹⁴ = 961229053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 961245394 and 961245403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (961245431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480622718 + 480622719.

It is an arithmetic number, because the mean of its divisors is an integer number (480622719).

Almost surely, 2^961245437 is an apocalyptic number.

It is an amenable number.

961245437 is a deficient number, since it is larger than the sum of its proper divisors (1).

961245437 is an equidigital number, since it uses as much as digits as its factorization.

961245437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 41.

The square root of 961245437 is about 31003.9584085645. The cubic root of 961245437 is about 986.9112442417.

The spelling of 961245437 in words is "nine hundred sixty-one million, two hundred forty-five thousand, four hundred thirty-seven".