961437101 has 4 divisors (see below), whose sum is σ = 961634652. Its totient is φ = 961239552.

The previous prime is 961437089. The next prime is 961437133. The reversal of 961437101 is 101734169.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 181575625 + 779861476 = 13475^2 + 27926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-961437101 is a prime.

It is a super-2 number, since 2×961437101² = 1848722598358568402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961437161) 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, 91286 + ... + 101271.

It is an arithmetic number, because the mean of its divisors is an integer number (240408663).

Almost surely, 2^961437101 is an apocalyptic number.

It is an amenable number.

961437101 is a deficient number, since it is larger than the sum of its proper divisors (197551).

961437101 is a wasteful number, since it uses less digits than its factorization.

961437101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197550.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 961437101 is about 31007.0492146544. The cubic root of 961437101 is about 986.9768337290.

The spelling of 961437101 in words is "nine hundred sixty-one million, four hundred thirty-seven thousand, one hundred one".